138745180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{991037}}^1$

素因数の和:991053

約数の個数: 24

約数和(自身を含む): 332988768

約数和(自身を除く): 194243588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 991037, 1982074, 3964148, 4955185, 6937259, 9910370, 13874518, 19820740, 27749036, 34686295, 69372590, 138745180]

約数ペア:

[(1, 138745180), (2, 69372590), (4, 34686295), (5, 27749036), (7, 19820740), (10, 13874518), (14, 9910370), (20, 6937259), (28, 4955185), (35, 3964148), (70, 1982074), (140, 991037)]