9897740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 22552992

約数和(自身を除く): 12655252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 677, 731, 860, 1354, 1462, 2708, 2924, 3385, 3655, 6770, 7310, 11509, 13540, 14620, 23018, 29111, 46036, 57545, 58222, 115090, 116444, 145555, 230180, 291110, 494887, 582220, 989774, 1979548, 2474435, 4948870, 9897740]

約数ペア:

[(1, 9897740), (2, 4948870), (4, 2474435), (5, 1979548), (10, 989774), (17, 582220), (20, 494887), (34, 291110), (43, 230180), (68, 145555), (85, 116444), (86, 115090), (170, 58222), (172, 57545), (215, 46036), (340, 29111), (430, 23018), (677, 14620), (731, 13540), (860, 11509), (1354, 7310), (1462, 6770), (2708, 3655), (2924, 3385)]