17966558980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1163}}^1\times {\mathrm{5557}}^1$

素因数の和:6868

約数の個数: 48

約数和(自身を含む): 38040730560

約数和(自身を除く): 20074171580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1163, 1390, 2326, 2780, 4652, 5557, 5815, 11114, 11630, 22228, 23260, 27785, 55570, 111140, 161657, 323314, 646628, 772423, 808285, 1544846, 1616570, 3089692, 3233140, 3862115, 6462791, 7724230, 12925582, 15448460, 25851164, 32313955, 64627910, 129255820, 898327949, 1796655898, 3593311796, 4491639745, 8983279490, 17966558980]

約数ペア:

[(1, 17966558980), (2, 8983279490), (4, 4491639745), (5, 3593311796), (10, 1796655898), (20, 898327949), (139, 129255820), (278, 64627910), (556, 32313955), (695, 25851164), (1163, 15448460), (1390, 12925582), (2326, 7724230), (2780, 6462791), (4652, 3862115), (5557, 3233140), (5815, 3089692), (11114, 1616570), (11630, 1544846), (22228, 808285), (23260, 772423), (27785, 646628), (55570, 323314), (111140, 161657)]