31002730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 65784960

約数和(自身を除く): 34782230

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 59, 85, 110, 118, 170, 187, 281, 295, 374, 562, 590, 649, 935, 1003, 1298, 1405, 1870, 2006, 2810, 3091, 3245, 4777, 5015, 6182, 6490, 9554, 10030, 11033, 15455, 16579, 22066, 23885, 30910, 33158, 47770, 52547, 55165, 82895, 105094, 110330, 165790, 182369, 262735, 281843, 364738, 525470, 563686, 911845, 1409215, 1823690, 2818430, 3100273, 6200546, 15501365, 31002730]

約数ペア:

[(1, 31002730), (2, 15501365), (5, 6200546), (10, 3100273), (11, 2818430), (17, 1823690), (22, 1409215), (34, 911845), (55, 563686), (59, 525470), (85, 364738), (110, 281843), (118, 262735), (170, 182369), (187, 165790), (281, 110330), (295, 105094), (374, 82895), (562, 55165), (590, 52547), (649, 47770), (935, 33158), (1003, 30910), (1298, 23885), (1405, 22066), (1870, 16579), (2006, 15455), (2810, 11033), (3091, 10030), (3245, 9554), (4777, 6490), (5015, 6182)]