207639920

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 493682688

約数和(自身を除く): 286042768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 127, 191, 214, 254, 382, 428, 508, 535, 635, 764, 856, 955, 1016, 1070, 1270, 1528, 1712, 1910, 2032, 2140, 2540, 3056, 3820, 4280, 5080, 7640, 8560, 10160, 13589, 15280, 20437, 24257, 27178, 40874, 48514, 54356, 67945, 81748, 97028, 102185, 108712, 121285, 135890, 163496, 194056, 204370, 217424, 242570, 271780, 326992, 388112, 408740, 485140, 543560, 817480, 970280, 1087120, 1634960, 1940560, 2595499, 5190998, 10381996, 12977495, 20763992, 25954990, 41527984, 51909980, 103819960, 207639920]

約数ペア:

[(1, 207639920), (2, 103819960), (4, 51909980), (5, 41527984), (8, 25954990), (10, 20763992), (16, 12977495), (20, 10381996), (40, 5190998), (80, 2595499), (107, 1940560), (127, 1634960), (191, 1087120), (214, 970280), (254, 817480), (382, 543560), (428, 485140), (508, 408740), (535, 388112), (635, 326992), (764, 271780), (856, 242570), (955, 217424), (1016, 204370), (1070, 194056), (1270, 163496), (1528, 135890), (1712, 121285), (1910, 108712), (2032, 102185), (2140, 97028), (2540, 81748), (3056, 67945), (3820, 54356), (4280, 48514), (5080, 40874), (7640, 27178), (8560, 24257), (10160, 20437), (13589, 15280)]