137698580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{87151}}^1$

素因数の和:87239

約数の個数: 24

約数和(自身を含む): 292830720

約数和(自身を除く): 155132140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 87151, 174302, 348604, 435755, 871510, 1743020, 6884929, 13769858, 27539716, 34424645, 68849290, 137698580]

約数ペア:

[(1, 137698580), (2, 68849290), (4, 34424645), (5, 27539716), (10, 13769858), (20, 6884929), (79, 1743020), (158, 871510), (316, 435755), (395, 348604), (790, 174302), (1580, 87151)]