29921080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{106861}}^1$

素因数の和:106879

約数の個数: 32

約数和(自身を含む): 76940640

約数和(自身を除く): 47019560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 106861, 213722, 427444, 534305, 748027, 854888, 1068610, 1496054, 2137220, 2992108, 3740135, 4274440, 5984216, 7480270, 14960540, 29921080]

約数ペア:

[(1, 29921080), (2, 14960540), (4, 7480270), (5, 5984216), (7, 4274440), (8, 3740135), (10, 2992108), (14, 2137220), (20, 1496054), (28, 1068610), (35, 854888), (40, 748027), (56, 534305), (70, 427444), (140, 213722), (280, 106861)]