290111620

素因数分解:

$2^2\times 5^1\times {\mathrm{2837}}^1\times {\mathrm{5113}}^1$

素因数の和:7959

約数の個数: 24

約数和(自身を含む): 609568344

約数和(自身を除く): 319456724

約数列:

[1, 2, 4, 5, 10, 20, 2837, 5113, 5674, 10226, 11348, 14185, 20452, 25565, 28370, 51130, 56740, 102260, 14505581, 29011162, 58022324, 72527905, 145055810, 290111620]

約数ペア:

[(1, 290111620), (2, 145055810), (4, 72527905), (5, 58022324), (10, 29011162), (20, 14505581), (2837, 102260), (5113, 56740), (5674, 51130), (10226, 28370), (11348, 25565), (14185, 20452)]