205750270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{43499}}^1$

素因数の和:43560

約数の個数: 32

約数和(自身を含む): 413424000

約数和(自身を除く): 207673730

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 43499, 86998, 217495, 434990, 478489, 956978, 1870457, 2392445, 3740914, 4784890, 9352285, 18704570, 20575027, 41150054, 102875135, 205750270]

約数ペア:

[(1, 205750270), (2, 102875135), (5, 41150054), (10, 20575027), (11, 18704570), (22, 9352285), (43, 4784890), (55, 3740914), (86, 2392445), (110, 1870457), (215, 956978), (430, 478489), (473, 434990), (946, 217495), (2365, 86998), (4730, 43499)]