#include <iostream>
#include <algorithm>
#include <iomanip>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <numeric>
#include <bitset>
#include <cmath>

static const int MOD = 1000000007;
using ll = long long;
using u32 = unsigned;
using u64 = unsigned long long;
using namespace std;

template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;

using u32 = uint32_t;

template<typename T>
struct ExactDiv {
    T t, i, val;
    ExactDiv() {}
    ExactDiv(T n) : t(T(-1) / n), i(mul_inv(n)) , val(n) {};
    T mul_inv(T n) {
        T x = n;
        for (int i = 0; i < 5; ++i) x *= 2 - n * x;
        return x;
    }
    bool divide(T n) const {
        if(val == 2) return !(n & 1);
        return n * this->i <= this->t;
    }
};

vector<ExactDiv<u32>> get_prime(int n){
    if(n <= 1) return vector<ExactDiv<u32>>();
    vector<bool> is_prime(n+1, true);
    vector<ExactDiv<u32>> prime;
    is_prime[0] = is_prime[1] = false;
    for (int i = 2; i <= n; ++i) {
        if(is_prime[i]) prime.emplace_back(i);
        for (auto &&j : prime){
            if(i*j.val > n) break;
            is_prime[i*j.val] = false;
            if(j.divide(i)) break;
        }
    }
    return prime;
}
const auto primes = get_prime(1100);

template<class T>
map<T, int> prime_factor(T n){
    map<T, int> res;
    for (auto &&i : primes) {
        while (i.divide(n)){
            res[i.val]++;
            n /= i.val;
        }
    }
    if(n != 1) res[n]++;
    return res;
}

template<u32 M = 1000000007>
struct modint{
    u32 val;
    modint(): val(0){}
    template<typename T>
    modint(T t){t %= (T)M; if(t < 0) t += (T)M; val = t;}

    modint pow(ll k) const {
        modint res(1), x(val);
        while(k){
            if(k&1) res *= x;
            x *= x;
            k >>= 1;
        }
        return res;
    }
    template<typename T>
    modint& operator=(T t){t %= (T)M; if(t < 0) t += (T)M; val = t; return *this;}
    modint inv() const {return pow(M-2);}
    modint& operator+=(modint a){val += a.val; if(val >= M) val -= M; return *this;}
    modint& operator-=(modint a){if(val < a.val) val += M-a.val; else val -= a.val; return *this;}
    modint& operator*=(modint a){val = (u64)val*a.val%M; return *this;}
    modint& operator/=(modint a){return (*this) *= a.inv();}
    modint operator+(modint a) const {return modint(val) +=a;}
    modint operator-(modint a) const {return modint(val) -=a;}
    modint operator*(modint a) const {return modint(val) *=a;}
    modint operator/(modint a) const {return modint(val) /=a;}
    modint operator-(){return modint(M-val);}
    bool operator==(const modint a) const {return val == a.val;}
    bool operator!=(const modint a) const {return val != a.val;}
    bool operator<(const modint a) const {return val < a.val;}
};
using mint = modint<MOD>;

int main() {
    int n;
    cin >> n;
    vector<int> v(n);
    for (auto &&i : v) scanf("%d", &i);
    map<int, int> m;
    for (int i = 0; i < n; ++i) {
        auto x = prime_factor(v[i]);
        for (auto &&j : x) {
            m[j.first] = max(m[j.first], j.second);
        }
    }
    mint ans = 1;
    for (auto &&k : m) {
        for (int i = 0; i < k.second; ++i) {
            ans *= mint(k.first);
        }
    }
    mint res = 0;
    for (int i = 0; i < n; ++i) {
        res += ans*(mint(v[i]).inv());
    }
    cout << res.val << "\n";
    return 0;
}

Measured memory_bytes: 768