Buggy python submission (verdict: Runtime Error):
n = int(input())
sum = 0
for k in range(1,n+1):
  y = n // i
  sum += y*(y+1)*i//2
print(sum)

Fixed submission:
n = int(input())
ans = 0
for i in range(1, n + 1):
    y = n // i
    ans += y * (y + 1) * i // 2
print(ans)

Buggy python submission (verdict: Runtime Error):
n = int(input())
sum = 0
for k in range(n):
  for j in range(k):
  	if k % j == 0：
    	sum += k
print(sum)

Fixed submission:
n = int(input())
ans = 0
for i in range(1, n + 1):
    y = n // i
    ans += y * (y + 1) * i // 2
print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())
sum = 0
for k in range(N):
  for j in range(int(k)):
  	if k % j == 0：
    	sum += k
print(sum)

Fixed submission:
n = int(input())
ans = 0
for i in range(1, n + 1):
    y = n // i
    ans += y * (y + 1) * i // 2
print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())
sum = 0
for k in range(N):
  for j in range(k):
  	if k % j == 0：
    	sum += k
print(sum)

Fixed submission:
n = int(input())
ans = 0
for i in range(1, n + 1):
    y = n // i
    ans += y * (y + 1) * i // 2
print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())
sum = 0
for k in range(N):
  for j in range(k):
  	if k % j == 0：
    	sum += k
print(f)

Fixed submission:
n = int(input())
ans = 0
for i in range(1, n + 1):
    y = n // i
    ans += y * (y + 1) * i // 2
print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())
sum = 0
f = 0
for i in range(1,N):
  for j in range(1,N):
  	if k % j == 0：
    	sum += 1
print(f)

Fixed submission:
n = int(input())
ans = 0
for i in range(1, n + 1):
    y = n // i
    ans += y * (y + 1) * i // 2
print(ans)

Buggy python submission (verdict: Runtime Error):
N = input()
sum = 0
f = 0
for k in range(1,N):
  for j in range(1,k):
  	if k % j == 0：
    	sum += k
print(f)

Fixed submission:
n = int(input())
ans = 0
for i in range(1, n + 1):
    y = n // i
    ans += y * (y + 1) * i // 2
print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())
sum = 0
f = 0
for k in range(1,N):
  for j in range(1,k):
  	if k % j == 0：
    	sum += k
print(f)

Fixed submission:
n = int(input())
ans = 0
for i in range(1, n + 1):
    y = n // i
    ans += y * (y + 1) * i // 2
print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())
sum = 0
f = 0
for k in range(1,N):
  #define f
  #f = 0
  for j in range(1,k)
  	if k % j == 0：
    	f += k
  #sum = sum + k*f
print(f)

Fixed submission:
n = int(input())
ans = 0
for i in range(1, n + 1):
    y = n // i
    ans += y * (y + 1) * i // 2
print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())
sum = 0
f = 0
for k in range(1,N):
  #define f
  #f = 0
  for j in range(1,k)
  	if k%j == 0：
    	f += k
  #sum = sum + k*f
print(sum)

Fixed submission:
n = int(input())
ans = 0
for i in range(1, n + 1):
    y = n // i
    ans += y * (y + 1) * i // 2
print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())
sum = 0
for k in range(N):
  #define f
  f = 0
  for j in range(1,k)
  	if k%j == 0:
      f = f+1
  sum = sum + k*f
print(sum)

Fixed submission:
n = int(input())
ans = 0
for i in range(1, n + 1):
    y = n // i
    ans += y * (y + 1) * i // 2
print(ans)