205121770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71471}}^1$

素因数の和:71526

約数の個数: 32

約数和(自身を含む): 432262656

約数和(自身を除く): 227140886

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 71471, 142942, 357355, 500297, 714710, 1000594, 2501485, 2930311, 5002970, 5860622, 14651555, 20512177, 29303110, 41024354, 102560885, 205121770]

約数ペア:

[(1, 205121770), (2, 102560885), (5, 41024354), (7, 29303110), (10, 20512177), (14, 14651555), (35, 5860622), (41, 5002970), (70, 2930311), (82, 2501485), (205, 1000594), (287, 714710), (410, 500297), (574, 357355), (1435, 142942), (2870, 71471)]