221490470

素因数分解:

$2^1\times 5^1\times {\mathrm{2503}}^1\times {\mathrm{8849}}^1$

素因数の和:11359

約数の個数: 16

約数和(自身を含む): 398887200

約数和(自身を除く): 177396730

約数列:

[1, 2, 5, 10, 2503, 5006, 8849, 12515, 17698, 25030, 44245, 88490, 22149047, 44298094, 110745235, 221490470]

約数ペア:

[(1, 221490470), (2, 110745235), (5, 44298094), (10, 22149047), (2503, 88490), (5006, 44245), (8849, 25030), (12515, 17698)]