289256875

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{15959}}^1$

素因数の和:16008

約数の個数: 20

約数和(自身を含む): 373942800

約数和(自身を除く): 84685925

約数列:

[1, 5, 25, 29, 125, 145, 625, 725, 3625, 15959, 18125, 79795, 398975, 462811, 1994875, 2314055, 9974375, 11570275, 57851375, 289256875]

約数ペア:

[(1, 289256875), (5, 57851375), (25, 11570275), (29, 9974375), (125, 2314055), (145, 1994875), (625, 462811), (725, 398975), (3625, 79795), (15959, 18125)]