438100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:364

約数の個数: 36

約数和(自身を含む): 1026844

約数和(自身を除く): 588744

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 337, 650, 674, 1300, 1348, 1685, 3370, 4381, 6740, 8425, 8762, 16850, 17524, 21905, 33700, 43810, 87620, 109525, 219050, 438100]

約数ペア:

[(1, 438100), (2, 219050), (4, 109525), (5, 87620), (10, 43810), (13, 33700), (20, 21905), (25, 17524), (26, 16850), (50, 8762), (52, 8425), (65, 6740), (100, 4381), (130, 3370), (260, 1685), (325, 1348), (337, 1300), (650, 674)]