291236275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 418723200

約数和(自身を除く): 127486925

約数列:

[1, 5, 11, 19, 25, 55, 95, 139, 209, 275, 401, 475, 695, 1045, 1529, 2005, 2641, 3475, 4411, 5225, 7619, 7645, 10025, 13205, 22055, 29051, 38095, 38225, 55739, 66025, 83809, 110275, 145255, 190475, 278695, 419045, 613129, 726275, 1059041, 1393475, 2095225, 3065645, 5295205, 11649451, 15328225, 26476025, 58247255, 291236275]

約数ペア:

[(1, 291236275), (5, 58247255), (11, 26476025), (19, 15328225), (25, 11649451), (55, 5295205), (95, 3065645), (139, 2095225), (209, 1393475), (275, 1059041), (401, 726275), (475, 613129), (695, 419045), (1045, 278695), (1529, 190475), (2005, 145255), (2641, 110275), (3475, 83809), (4411, 66025), (5225, 55739), (7619, 38225), (7645, 38095), (10025, 29051), (13205, 22055)]