157248220

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{15091}}^1$

素因数の和:15621

約数の個数: 24

約数和(自身を含む): 330877008

約数和(自身を除く): 173628788

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 15091, 30182, 60364, 75455, 150910, 301820, 7862411, 15724822, 31449644, 39312055, 78624110, 157248220]

約数ペア:

[(1, 157248220), (2, 78624110), (4, 39312055), (5, 31449644), (10, 15724822), (20, 7862411), (521, 301820), (1042, 150910), (2084, 75455), (2605, 60364), (5210, 30182), (10420, 15091)]