30622460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1277}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 70852320

約数和(自身を除く): 40229860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 1277, 2180, 2398, 2554, 4796, 5108, 5995, 6385, 11990, 12770, 14047, 23980, 25540, 28094, 56188, 70235, 139193, 140470, 278386, 280940, 556772, 695965, 1391930, 1531123, 2783860, 3062246, 6124492, 7655615, 15311230, 30622460]

約数ペア:

[(1, 30622460), (2, 15311230), (4, 7655615), (5, 6124492), (10, 3062246), (11, 2783860), (20, 1531123), (22, 1391930), (44, 695965), (55, 556772), (109, 280940), (110, 278386), (218, 140470), (220, 139193), (436, 70235), (545, 56188), (1090, 28094), (1199, 25540), (1277, 23980), (2180, 14047), (2398, 12770), (2554, 11990), (4796, 6385), (5108, 5995)]