149980940

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{26687}}^1$

素因数の和:26977

約数の個数: 24

約数和(自身を含む): 316092672

約数和(自身を除く): 166111732

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 26687, 53374, 106748, 133435, 266870, 533740, 7499047, 14998094, 29996188, 37495235, 74990470, 149980940]

約数ペア:

[(1, 149980940), (2, 74990470), (4, 37495235), (5, 29996188), (10, 14998094), (20, 7499047), (281, 533740), (562, 266870), (1124, 133435), (1405, 106748), (2810, 53374), (5620, 26687)]