9890620

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3319}}^1$

素因数の和:3477

約数の個数: 24

約数和(自身を含む): 20916000

約数和(自身を除く): 11025380

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 3319, 6638, 13276, 16595, 33190, 66380, 494531, 989062, 1978124, 2472655, 4945310, 9890620]

約数ペア:

[(1, 9890620), (2, 4945310), (4, 2472655), (5, 1978124), (10, 989062), (20, 494531), (149, 66380), (298, 33190), (596, 16595), (745, 13276), (1490, 6638), (2980, 3319)]