A magnetic property analyzing apparatus comprising: a processor including a vector potential calculator, a magnetic field analyzer, and an average magnetization calculator, wherein the vector potential calculator is configured to calculate vector potentials of each of elements to which an analyzing target is segmented by meshing, using an average magnetization obtained for each of the elements, wherein the magnetic field analyzer is configured to perform a magnetic field analysis of sub-grids arranged along one direction within each of the elements, and wherein the average magnetization calculator is configured to calculate an average magnetization with respect to each of the elements, by performing a time integral on a LLG, Landau Lifshitz Gilbert, equation using a magnetic field obtained from the magnetic field analysis in order to perform a magnetic property analysis, wherein the average magnetization calculator is further configured to after the magnetic field is calculated by the magnetic field analysis, calculate an effective magnetic field acting on each of the elements by keeping the magnetic field to a fixed value, calculate magnetization vectors within each of sub-elements including the sub-grids by performing a time integral of the LLG equation using the effective magnetic field, and calculate the average magnetization with respect to each of the elements by averaging magnetization vectors calculated for each of the sub-elements. a processor including a vector potential calculator, a magnetic field analyzer, and an average magnetization calculator, wherein the vector potential calculator is configured to calculate vector potentials of each of elements to which an analyzing target is segmented by meshing, using an average magnetization obtained for each of the elements, wherein the magnetic field analyzer is configured to perform a magnetic field analysis of sub-grids arranged along one direction within each of the elements, and wherein the average magnetization calculator is configured to calculate an average magnetization with respect to each of the elements, by performing a time integral on a LLG, Landau Lifshitz Gilbert, equation using a magnetic field obtained from the magnetic field analysis in order to perform a magnetic property analysis, wherein the average magnetization calculator is further configured to after the magnetic field is calculated by the magnetic field analysis, calculate an effective magnetic field acting on each of the elements by keeping the magnetic field to a fixed value, calculate magnetization vectors within each of sub-elements including the sub-grids by performing a time integral of the LLG equation using the effective magnetic field, and calculate the average magnetization with respect to each of the elements by averaging magnetization vectors calculated for each of the sub-elements. after the magnetic field is calculated by the magnetic field analysis, calculate an effective magnetic field acting on each of the elements by keeping the magnetic field to a fixed value, calculate magnetization vectors within each of sub-elements including the sub-grids by performing a time integral of the LLG equation using the effective magnetic field, and calculate the average magnetization with respect to each of the elements by averaging magnetization vectors calculated for each of the sub-elements.