247627820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1125581}}^1$

素因数の和:1125601

約数の個数: 24

約数和(自身を含む): 567293328

約数和(自身を除く): 319665508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1125581, 2251162, 4502324, 5627905, 11255810, 12381391, 22511620, 24762782, 49525564, 61906955, 123813910, 247627820]

約数ペア:

[(1, 247627820), (2, 123813910), (4, 61906955), (5, 49525564), (10, 24762782), (11, 22511620), (20, 12381391), (22, 11255810), (44, 5627905), (55, 4502324), (110, 2251162), (220, 1125581)]