171416920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{99661}}^1$

素因数の和:99715

約数の個数: 32

約数和(自身を含む): 394661520

約数和(自身を除く): 223244600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 99661, 199322, 398644, 498305, 797288, 996610, 1993220, 3986440, 4285423, 8570846, 17141692, 21427115, 34283384, 42854230, 85708460, 171416920]

約数ペア:

[(1, 171416920), (2, 85708460), (4, 42854230), (5, 34283384), (8, 21427115), (10, 17141692), (20, 8570846), (40, 4285423), (43, 3986440), (86, 1993220), (172, 996610), (215, 797288), (344, 498305), (430, 398644), (860, 199322), (1720, 99661)]