9012740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 20974464

約数和(自身を除く): 11961724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 577, 710, 781, 1154, 1420, 1562, 2308, 2885, 3124, 3905, 5770, 6347, 7810, 11540, 12694, 15620, 25388, 31735, 40967, 63470, 81934, 126940, 163868, 204835, 409670, 450637, 819340, 901274, 1802548, 2253185, 4506370, 9012740]

約数ペア:

[(1, 9012740), (2, 4506370), (4, 2253185), (5, 1802548), (10, 901274), (11, 819340), (20, 450637), (22, 409670), (44, 204835), (55, 163868), (71, 126940), (110, 81934), (142, 63470), (220, 40967), (284, 31735), (355, 25388), (577, 15620), (710, 12694), (781, 11540), (1154, 7810), (1420, 6347), (1562, 5770), (2308, 3905), (2885, 3124)]