1569451820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1\times {\mathrm{1987}}^1$

素因数の和:2610

約数の個数: 48

約数和(自身を含む): 3348857568

約数和(自身を除く): 1779405748

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 541, 730, 1082, 1460, 1987, 2164, 2705, 3974, 5410, 7948, 9935, 10820, 19870, 39493, 39740, 78986, 145051, 157972, 197465, 290102, 394930, 580204, 725255, 789860, 1074967, 1450510, 2149934, 2901020, 4299868, 5374835, 10749670, 21499340, 78472591, 156945182, 313890364, 392362955, 784725910, 1569451820]

約数ペア:

[(1, 1569451820), (2, 784725910), (4, 392362955), (5, 313890364), (10, 156945182), (20, 78472591), (73, 21499340), (146, 10749670), (292, 5374835), (365, 4299868), (541, 2901020), (730, 2149934), (1082, 1450510), (1460, 1074967), (1987, 789860), (2164, 725255), (2705, 580204), (3974, 394930), (5410, 290102), (7948, 197465), (9935, 157972), (10820, 145051), (19870, 78986), (39493, 39740)]