31106270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 64350720

約数和(自身を除く): 33244450

約数列:

[1, 2, 5, 10, 13, 26, 29, 37, 58, 65, 74, 130, 145, 185, 223, 290, 370, 377, 446, 481, 754, 962, 1073, 1115, 1885, 2146, 2230, 2405, 2899, 3770, 4810, 5365, 5798, 6467, 8251, 10730, 12934, 13949, 14495, 16502, 27898, 28990, 32335, 41255, 64670, 69745, 82510, 84071, 107263, 139490, 168142, 214526, 239279, 420355, 478558, 536315, 840710, 1072630, 1196395, 2392790, 3110627, 6221254, 15553135, 31106270]

約数ペア:

[(1, 31106270), (2, 15553135), (5, 6221254), (10, 3110627), (13, 2392790), (26, 1196395), (29, 1072630), (37, 840710), (58, 536315), (65, 478558), (74, 420355), (130, 239279), (145, 214526), (185, 168142), (223, 139490), (290, 107263), (370, 84071), (377, 82510), (446, 69745), (481, 64670), (754, 41255), (962, 32335), (1073, 28990), (1115, 27898), (1885, 16502), (2146, 14495), (2230, 13949), (2405, 12934), (2899, 10730), (3770, 8251), (4810, 6467), (5365, 5798)]