288826120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{656423}}^1$

素因数の和:656445

約数の個数: 32

約数和(自身を含む): 708937920

約数和(自身を除く): 420111800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 656423, 1312846, 2625692, 3282115, 5251384, 6564230, 7220653, 13128460, 14441306, 26256920, 28882612, 36103265, 57765224, 72206530, 144413060, 288826120]

約数ペア:

[(1, 288826120), (2, 144413060), (4, 72206530), (5, 57765224), (8, 36103265), (10, 28882612), (11, 26256920), (20, 14441306), (22, 13128460), (40, 7220653), (44, 6564230), (55, 5251384), (88, 3282115), (110, 2625692), (220, 1312846), (440, 656423)]