304993840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{88661}}^1$

素因数の和:88717

約数の個数: 40

約数和(自身を含む): 725609808

約数和(自身を除く): 420615968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 88661, 177322, 354644, 443305, 709288, 886610, 1418576, 1773220, 3546440, 3812423, 7092880, 7624846, 15249692, 19062115, 30499384, 38124230, 60998768, 76248460, 152496920, 304993840]

約数ペア:

[(1, 304993840), (2, 152496920), (4, 76248460), (5, 60998768), (8, 38124230), (10, 30499384), (16, 19062115), (20, 15249692), (40, 7624846), (43, 7092880), (80, 3812423), (86, 3546440), (172, 1773220), (215, 1418576), (344, 886610), (430, 709288), (688, 443305), (860, 354644), (1720, 177322), (3440, 88661)]