638268613640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2279530763}}^1$

素因数の和:2279530781

約数の個数: 32

約数和(自身を含む): 1641262150080

約数和(自身を除く): 1002993536440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2279530763, 4559061526, 9118123052, 11397653815, 15956715341, 18236246104, 22795307630, 31913430682, 45590615260, 63826861364, 79783576705, 91181230520, 127653722728, 159567153410, 319134306820, 638268613640]

約数ペア:

[(1, 638268613640), (2, 319134306820), (4, 159567153410), (5, 127653722728), (7, 91181230520), (8, 79783576705), (10, 63826861364), (14, 45590615260), (20, 31913430682), (28, 22795307630), (35, 18236246104), (40, 15956715341), (56, 11397653815), (70, 9118123052), (140, 4559061526), (280, 2279530763)]