389905150

素因数分解:

$2^1\times 5^2\times {\mathrm{7798103}}^1$

素因数の和:7798115

約数の個数: 12

約数和(自身を含む): 725223672

約数和(自身を除く): 335318522

約数列:

[1, 2, 5, 10, 25, 50, 7798103, 15596206, 38990515, 77981030, 194952575, 389905150]

約数ペア:

[(1, 389905150), (2, 194952575), (5, 77981030), (10, 38990515), (25, 15596206), (50, 7798103)]