138417620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{629171}}^1$

素因数の和:629191

約数の個数: 24

約数和(自身を含む): 317102688

約数和(自身を除く): 178685068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 629171, 1258342, 2516684, 3145855, 6291710, 6920881, 12583420, 13841762, 27683524, 34604405, 69208810, 138417620]

約数ペア:

[(1, 138417620), (2, 69208810), (4, 34604405), (5, 27683524), (10, 13841762), (11, 12583420), (20, 6920881), (22, 6291710), (44, 3145855), (55, 2516684), (110, 1258342), (220, 629171)]