145173820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{659881}}^1$

素因数の和:659901

約数の個数: 24

約数和(自身を含む): 332580528

約数和(自身を除く): 187406708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 659881, 1319762, 2639524, 3299405, 6598810, 7258691, 13197620, 14517382, 29034764, 36293455, 72586910, 145173820]

約数ペア:

[(1, 145173820), (2, 72586910), (4, 36293455), (5, 29034764), (10, 14517382), (11, 13197620), (20, 7258691), (22, 6598810), (44, 3299405), (55, 2639524), (110, 1319762), (220, 659881)]