221557820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1007081}}^1$

素因数の和:1007101

約数の個数: 24

約数和(自身を含む): 507569328

約数和(自身を除く): 286011508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1007081, 2014162, 4028324, 5035405, 10070810, 11077891, 20141620, 22155782, 44311564, 55389455, 110778910, 221557820]

約数ペア:

[(1, 221557820), (2, 110778910), (4, 55389455), (5, 44311564), (10, 22155782), (11, 20141620), (20, 11077891), (22, 10070810), (44, 5035405), (55, 4028324), (110, 2014162), (220, 1007081)]