291270220

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{106303}}^1$

素因数の和:106449

約数の個数: 24

約数和(自身を含む): 616137984

約数和(自身を除く): 324867764

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 106303, 212606, 425212, 531515, 1063030, 2126060, 14563511, 29127022, 58254044, 72817555, 145635110, 291270220]

約数ペア:

[(1, 291270220), (2, 145635110), (4, 72817555), (5, 58254044), (10, 29127022), (20, 14563511), (137, 2126060), (274, 1063030), (548, 531515), (685, 425212), (1370, 212606), (2740, 106303)]