90570590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{4549}}^1$

素因数の和:4748

約数の個数: 32

約数和(自身を含む): 178869600

約数和(自身を除く): 88299010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 1810, 1991, 3982, 4549, 9098, 9955, 19910, 22745, 45490, 50039, 100078, 250195, 500390, 823369, 1646738, 4116845, 8233690, 9057059, 18114118, 45285295, 90570590]

約数ペア:

[(1, 90570590), (2, 45285295), (5, 18114118), (10, 9057059), (11, 8233690), (22, 4116845), (55, 1646738), (110, 823369), (181, 500390), (362, 250195), (905, 100078), (1810, 50039), (1991, 45490), (3982, 22745), (4549, 19910), (9098, 9955)]