7962740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 17563392

約数和(自身を除く): 9600652

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 197, 215, 235, 394, 430, 470, 788, 860, 940, 985, 1970, 2021, 3940, 4042, 8084, 8471, 9259, 10105, 16942, 18518, 20210, 33884, 37036, 40420, 42355, 46295, 84710, 92590, 169420, 185180, 398137, 796274, 1592548, 1990685, 3981370, 7962740]

約数ペア:

[(1, 7962740), (2, 3981370), (4, 1990685), (5, 1592548), (10, 796274), (20, 398137), (43, 185180), (47, 169420), (86, 92590), (94, 84710), (172, 46295), (188, 42355), (197, 40420), (215, 37036), (235, 33884), (394, 20210), (430, 18518), (470, 16942), (788, 10105), (860, 9259), (940, 8471), (985, 8084), (1970, 4042), (2021, 3940)]