268891940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{327917}}^1$

素因数の和:327967

約数の個数: 24

約数和(自身を含む): 578447352

約数和(自身を除く): 309555412

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 327917, 655834, 1311668, 1639585, 3279170, 6558340, 13444597, 26889194, 53778388, 67222985, 134445970, 268891940]

約数ペア:

[(1, 268891940), (2, 134445970), (4, 67222985), (5, 53778388), (10, 26889194), (20, 13444597), (41, 6558340), (82, 3279170), (164, 1639585), (205, 1311668), (410, 655834), (820, 327917)]