231530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1$

素因数の和:170

約数の個数: 24

約数和(自身を含む): 454572

約数和(自身を除く): 223042

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 169, 274, 338, 685, 845, 1370, 1690, 1781, 3562, 8905, 17810, 23153, 46306, 115765, 231530]

約数ペア:

[(1, 231530), (2, 115765), (5, 46306), (10, 23153), (13, 17810), (26, 8905), (65, 3562), (130, 1781), (137, 1690), (169, 1370), (274, 845), (338, 685)]