42980540

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{14423}}^1$

素因数の和:14581

約数の個数: 24

約数和(自身を含む): 90871200

約数和(自身を除く): 47890660

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 14423, 28846, 57692, 72115, 144230, 288460, 2149027, 4298054, 8596108, 10745135, 21490270, 42980540]

約数ペア:

[(1, 42980540), (2, 21490270), (4, 10745135), (5, 8596108), (10, 4298054), (20, 2149027), (149, 288460), (298, 144230), (596, 72115), (745, 57692), (1490, 28846), (2980, 14423)]