208110980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{401}}^1$

素因数の和:765

約数の個数: 96

約数和(自身を含む): 547852032

約数和(自身を除く): 339741052

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 337, 385, 401, 674, 770, 802, 1348, 1540, 1604, 1685, 2005, 2359, 2807, 3370, 3707, 4010, 4411, 4718, 5614, 6740, 7414, 8020, 8822, 9436, 11228, 11795, 14035, 14828, 17644, 18535, 22055, 23590, 25949, 28070, 30877, 37070, 44110, 47180, 51898, 56140, 61754, 74140, 88220, 103796, 123508, 129745, 135137, 154385, 259490, 270274, 308770, 518980, 540548, 617540, 675685, 945959, 1351370, 1486507, 1891918, 2702740, 2973014, 3783836, 4729795, 5946028, 7432535, 9459590, 10405549, 14865070, 18919180, 20811098, 29730140, 41622196, 52027745, 104055490, 208110980]

約数ペア:

[(1, 208110980), (2, 104055490), (4, 52027745), (5, 41622196), (7, 29730140), (10, 20811098), (11, 18919180), (14, 14865070), (20, 10405549), (22, 9459590), (28, 7432535), (35, 5946028), (44, 4729795), (55, 3783836), (70, 2973014), (77, 2702740), (110, 1891918), (140, 1486507), (154, 1351370), (220, 945959), (308, 675685), (337, 617540), (385, 540548), (401, 518980), (674, 308770), (770, 270274), (802, 259490), (1348, 154385), (1540, 135137), (1604, 129745), (1685, 123508), (2005, 103796), (2359, 88220), (2807, 74140), (3370, 61754), (3707, 56140), (4010, 51898), (4411, 47180), (4718, 44110), (5614, 37070), (6740, 30877), (7414, 28070), (8020, 25949), (8822, 23590), (9436, 22055), (11228, 18535), (11795, 17644), (14035, 14828)]