198554800

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{12107}}^1$

素因数の和:12166

約数の個数: 60

約数和(自身を含む): 488703096

約数和(自身を除く): 290148296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4100, 8200, 12107, 16400, 24214, 48428, 60535, 96856, 121070, 193712, 242140, 302675, 484280, 496387, 605350, 968560, 992774, 1210700, 1985548, 2421400, 2481935, 3971096, 4842800, 4963870, 7942192, 9927740, 12409675, 19855480, 24819350, 39710960, 49638700, 99277400, 198554800]

約数ペア:

[(1, 198554800), (2, 99277400), (4, 49638700), (5, 39710960), (8, 24819350), (10, 19855480), (16, 12409675), (20, 9927740), (25, 7942192), (40, 4963870), (41, 4842800), (50, 3971096), (80, 2481935), (82, 2421400), (100, 1985548), (164, 1210700), (200, 992774), (205, 968560), (328, 605350), (400, 496387), (410, 484280), (656, 302675), (820, 242140), (1025, 193712), (1640, 121070), (2050, 96856), (3280, 60535), (4100, 48428), (8200, 24214), (12107, 16400)]