520033780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3714527}}^1$

素因数の和:3714543

約数の個数: 24

約数和(自身を含む): 1248081408

約数和(自身を除く): 728047628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3714527, 7429054, 14858108, 18572635, 26001689, 37145270, 52003378, 74290540, 104006756, 130008445, 260016890, 520033780]

約数ペア:

[(1, 520033780), (2, 260016890), (4, 130008445), (5, 104006756), (7, 74290540), (10, 52003378), (14, 37145270), (20, 26001689), (28, 18572635), (35, 14858108), (70, 7429054), (140, 3714527)]