744974375

素因数分解:

$5^4\times {\mathrm{631}}^1\times {\mathrm{1889}}^1$

素因数の和:2540

約数の個数: 20

約数和(自身を含む): 932888880

約数和(自身を除く): 187914505

約数列:

[1, 5, 25, 125, 625, 631, 1889, 3155, 9445, 15775, 47225, 78875, 236125, 394375, 1180625, 1191959, 5959795, 29798975, 148994875, 744974375]

約数ペア:

[(1, 744974375), (5, 148994875), (25, 29798975), (125, 5959795), (625, 1191959), (631, 1180625), (1889, 394375), (3155, 236125), (9445, 78875), (15775, 47225)]