42685890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109451}}^1$

素因数の和:109474

約数の個数: 32

約数和(自身を含む): 110327616

約数和(自身を除く): 67641726

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 109451, 218902, 328353, 547255, 656706, 1094510, 1422863, 1641765, 2845726, 3283530, 4268589, 7114315, 8537178, 14228630, 21342945, 42685890]

約数ペア:

[(1, 42685890), (2, 21342945), (3, 14228630), (5, 8537178), (6, 7114315), (10, 4268589), (13, 3283530), (15, 2845726), (26, 1641765), (30, 1422863), (39, 1094510), (65, 656706), (78, 547255), (130, 328353), (195, 218902), (390, 109451)]