230736740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{887449}}^1$

素因数の和:887471

約数の個数: 24

約数和(自身を含む): 521820600

約数和(自身を除く): 291083860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 887449, 1774898, 3549796, 4437245, 8874490, 11536837, 17748980, 23073674, 46147348, 57684185, 115368370, 230736740]

約数ペア:

[(1, 230736740), (2, 115368370), (4, 57684185), (5, 46147348), (10, 23073674), (13, 17748980), (20, 11536837), (26, 8874490), (52, 4437245), (65, 3549796), (130, 1774898), (260, 887449)]