270820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1231}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 620928

約数和(自身を除く): 350108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1231, 2462, 4924, 6155, 12310, 13541, 24620, 27082, 54164, 67705, 135410, 270820]

約数ペア:

[(1, 270820), (2, 135410), (4, 67705), (5, 54164), (10, 27082), (11, 24620), (20, 13541), (22, 12310), (44, 6155), (55, 4924), (110, 2462), (220, 1231)]