648022210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^2\times {\mathrm{239}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 1285994880

約数和(自身を除く): 637972670

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 157, 239, 314, 478, 785, 1195, 1570, 1727, 2390, 2629, 3454, 5258, 8635, 13145, 17270, 24649, 26290, 37523, 49298, 75046, 123245, 187615, 246490, 271139, 375230, 412753, 542278, 825506, 1355695, 2063765, 2711390, 4127530, 5891111, 11782222, 29455555, 58911110, 64802221, 129604442, 324011105, 648022210]

約数ペア:

[(1, 648022210), (2, 324011105), (5, 129604442), (10, 64802221), (11, 58911110), (22, 29455555), (55, 11782222), (110, 5891111), (157, 4127530), (239, 2711390), (314, 2063765), (478, 1355695), (785, 825506), (1195, 542278), (1570, 412753), (1727, 375230), (2390, 271139), (2629, 246490), (3454, 187615), (5258, 123245), (8635, 75046), (13145, 49298), (17270, 37523), (24649, 26290)]