77570890

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 142560000

約数和(自身を除く): 64989110

約数列:

[1, 2, 5, 10, 79, 149, 158, 298, 395, 659, 745, 790, 1318, 1490, 3295, 6590, 11771, 23542, 52061, 58855, 98191, 104122, 117710, 196382, 260305, 490955, 520610, 981910, 7757089, 15514178, 38785445, 77570890]

約数ペア:

[(1, 77570890), (2, 38785445), (5, 15514178), (10, 7757089), (79, 981910), (149, 520610), (158, 490955), (298, 260305), (395, 196382), (659, 117710), (745, 104122), (790, 98191), (1318, 58855), (1490, 52061), (3295, 23542), (6590, 11771)]