90207580

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{30271}}^1$

素因数の和:30429

約数の個数: 24

約数和(自身を含む): 190713600

約数和(自身を除く): 100506020

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 30271, 60542, 121084, 151355, 302710, 605420, 4510379, 9020758, 18041516, 22551895, 45103790, 90207580]

約数ペア:

[(1, 90207580), (2, 45103790), (4, 22551895), (5, 18041516), (10, 9020758), (20, 4510379), (149, 605420), (298, 302710), (596, 151355), (745, 121084), (1490, 60542), (2980, 30271)]