840710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 1693440

約数和(自身を除く): 852730

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 223, 290, 377, 446, 754, 1115, 1885, 2230, 2899, 3770, 5798, 6467, 12934, 14495, 28990, 32335, 64670, 84071, 168142, 420355, 840710]

約数ペア:

[(1, 840710), (2, 420355), (5, 168142), (10, 84071), (13, 64670), (26, 32335), (29, 28990), (58, 14495), (65, 12934), (130, 6467), (145, 5798), (223, 3770), (290, 2899), (377, 2230), (446, 1885), (754, 1115)]