157635620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3581}}^1$

素因数の和:3692

約数の個数: 48

約数和(自身を含む): 346622976

約数和(自身を除く): 188987356

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 3581, 4402, 7162, 8804, 11005, 14324, 17905, 22010, 35810, 44020, 71620, 111011, 222022, 254251, 444044, 508502, 555055, 1017004, 1110110, 1271255, 2220220, 2542510, 5085020, 7881781, 15763562, 31527124, 39408905, 78817810, 157635620]

約数ペア:

[(1, 157635620), (2, 78817810), (4, 39408905), (5, 31527124), (10, 15763562), (20, 7881781), (31, 5085020), (62, 2542510), (71, 2220220), (124, 1271255), (142, 1110110), (155, 1017004), (284, 555055), (310, 508502), (355, 444044), (620, 254251), (710, 222022), (1420, 111011), (2201, 71620), (3581, 44020), (4402, 35810), (7162, 22010), (8804, 17905), (11005, 14324)]