870161380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3955279}}^1$

素因数の和:3955299

約数の個数: 24

約数和(自身を含む): 1993461120

約数和(自身を除く): 1123299740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3955279, 7910558, 15821116, 19776395, 39552790, 43508069, 79105580, 87016138, 174032276, 217540345, 435080690, 870161380]

約数ペア:

[(1, 870161380), (2, 435080690), (4, 217540345), (5, 174032276), (10, 87016138), (11, 79105580), (20, 43508069), (22, 39552790), (44, 19776395), (55, 15821116), (110, 7910558), (220, 3955279)]