131915380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{90353}}^1$

素因数の和:90435

約数の個数: 24

約数和(自身を含む): 280820232

約数和(自身を除く): 148904852

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 90353, 180706, 361412, 451765, 903530, 1807060, 6595769, 13191538, 26383076, 32978845, 65957690, 131915380]

約数ペア:

[(1, 131915380), (2, 65957690), (4, 32978845), (5, 26383076), (10, 13191538), (20, 6595769), (73, 1807060), (146, 903530), (292, 451765), (365, 361412), (730, 180706), (1460, 90353)]