289329620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{352841}}^1$

素因数の和:352891

約数の個数: 24

約数和(自身を含む): 622413288

約数和(自身を除く): 333083668

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 352841, 705682, 1411364, 1764205, 3528410, 7056820, 14466481, 28932962, 57865924, 72332405, 144664810, 289329620]

約数ペア:

[(1, 289329620), (2, 144664810), (4, 72332405), (5, 57865924), (10, 28932962), (20, 14466481), (41, 7056820), (82, 3528410), (164, 1764205), (205, 1411364), (410, 705682), (820, 352841)]