279176856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:681

約数の個数: 128

約数和(自身を含む): 850176000

約数和(自身を除く): 570999144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 239, 357, 408, 409, 476, 478, 714, 717, 818, 952, 956, 1227, 1428, 1434, 1636, 1673, 1912, 2454, 2856, 2863, 2868, 3272, 3346, 4063, 4908, 5019, 5726, 5736, 6692, 6953, 8126, 8589, 9816, 10038, 11452, 12189, 13384, 13906, 16252, 17178, 20076, 20859, 22904, 24378, 27812, 28441, 32504, 34356, 40152, 41718, 48671, 48756, 55624, 56882, 68712, 83436, 85323, 97342, 97512, 97751, 113764, 146013, 166872, 170646, 194684, 195502, 227528, 292026, 293253, 341292, 389368, 391004, 584052, 586506, 682584, 684257, 782008, 1168104, 1173012, 1368514, 1661767, 2052771, 2346024, 2737028, 3323534, 4105542, 4985301, 5474056, 6647068, 8211084, 9970602, 11632369, 13294136, 16422168, 19941204, 23264738, 34897107, 39882408, 46529476, 69794214, 93058952, 139588428, 279176856]

約数ペア:

[(1, 279176856), (2, 139588428), (3, 93058952), (4, 69794214), (6, 46529476), (7, 39882408), (8, 34897107), (12, 23264738), (14, 19941204), (17, 16422168), (21, 13294136), (24, 11632369), (28, 9970602), (34, 8211084), (42, 6647068), (51, 5474056), (56, 4985301), (68, 4105542), (84, 3323534), (102, 2737028), (119, 2346024), (136, 2052771), (168, 1661767), (204, 1368514), (238, 1173012), (239, 1168104), (357, 782008), (408, 684257), (409, 682584), (476, 586506), (478, 584052), (714, 391004), (717, 389368), (818, 341292), (952, 293253), (956, 292026), (1227, 227528), (1428, 195502), (1434, 194684), (1636, 170646), (1673, 166872), (1912, 146013), (2454, 113764), (2856, 97751), (2863, 97512), (2868, 97342), (3272, 85323), (3346, 83436), (4063, 68712), (4908, 56882), (5019, 55624), (5726, 48756), (5736, 48671), (6692, 41718), (6953, 40152), (8126, 34356), (8589, 32504), (9816, 28441), (10038, 27812), (11452, 24378), (12189, 22904), (13384, 20859), (13906, 20076), (16252, 17178)]