71876980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{513407}}^1$

素因数の和:513423

約数の個数: 24

約数和(自身を含む): 172505088

約数和(自身を除く): 100628108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 513407, 1026814, 2053628, 2567035, 3593849, 5134070, 7187698, 10268140, 14375396, 17969245, 35938490, 71876980]

約数ペア:

[(1, 71876980), (2, 35938490), (4, 17969245), (5, 14375396), (7, 10268140), (10, 7187698), (14, 5134070), (20, 3593849), (28, 2567035), (35, 2053628), (70, 1026814), (140, 513407)]