179630620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{690887}}^1$

素因数の和:690909

約数の個数: 24

約数和(自身を含む): 406242144

約数和(自身を除く): 226611524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 690887, 1381774, 2763548, 3454435, 6908870, 8981531, 13817740, 17963062, 35926124, 44907655, 89815310, 179630620]

約数ペア:

[(1, 179630620), (2, 89815310), (4, 44907655), (5, 35926124), (10, 17963062), (13, 13817740), (20, 8981531), (26, 6908870), (52, 3454435), (65, 2763548), (130, 1381774), (260, 690887)]