221350310

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{4391}}^1$

素因数の和:4540

約数の個数: 24

約数和(自身を含む): 404213328

約数和(自身を除く): 182863018

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 4391, 5041, 8782, 10082, 21955, 25205, 43910, 50410, 311761, 623522, 1558805, 3117610, 22135031, 44270062, 110675155, 221350310]

約数ペア:

[(1, 221350310), (2, 110675155), (5, 44270062), (10, 22135031), (71, 3117610), (142, 1558805), (355, 623522), (710, 311761), (4391, 50410), (5041, 43910), (8782, 25205), (10082, 21955)]