280629608

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 677652480

約数和(自身を除く): 397022872

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 37, 56, 62, 68, 74, 119, 124, 136, 148, 217, 238, 248, 257, 259, 296, 434, 476, 514, 518, 527, 629, 868, 952, 1028, 1036, 1054, 1147, 1258, 1736, 1799, 2056, 2072, 2108, 2294, 2516, 3598, 3689, 4216, 4369, 4403, 4588, 5032, 7196, 7378, 7967, 8029, 8738, 8806, 9176, 9509, 14392, 14756, 15934, 16058, 17476, 17612, 19018, 19499, 29512, 30583, 31868, 32116, 34952, 35224, 38036, 38998, 55769, 61166, 63736, 64232, 66563, 76072, 77996, 111538, 122332, 133126, 135439, 136493, 155992, 161653, 223076, 244664, 266252, 270878, 272986, 294779, 323306, 446152, 532504, 541756, 545972, 589558, 646612, 948073, 1083512, 1091944, 1131571, 1179116, 1293224, 1896146, 2063453, 2263142, 2358232, 3792292, 4126906, 4526284, 5011243, 7584584, 8253812, 9052568, 10022486, 16507624, 20044972, 35078701, 40089944, 70157402, 140314804, 280629608]

約数ペア:

[(1, 280629608), (2, 140314804), (4, 70157402), (7, 40089944), (8, 35078701), (14, 20044972), (17, 16507624), (28, 10022486), (31, 9052568), (34, 8253812), (37, 7584584), (56, 5011243), (62, 4526284), (68, 4126906), (74, 3792292), (119, 2358232), (124, 2263142), (136, 2063453), (148, 1896146), (217, 1293224), (238, 1179116), (248, 1131571), (257, 1091944), (259, 1083512), (296, 948073), (434, 646612), (476, 589558), (514, 545972), (518, 541756), (527, 532504), (629, 446152), (868, 323306), (952, 294779), (1028, 272986), (1036, 270878), (1054, 266252), (1147, 244664), (1258, 223076), (1736, 161653), (1799, 155992), (2056, 136493), (2072, 135439), (2108, 133126), (2294, 122332), (2516, 111538), (3598, 77996), (3689, 76072), (4216, 66563), (4369, 64232), (4403, 63736), (4588, 61166), (5032, 55769), (7196, 38998), (7378, 38036), (7967, 35224), (8029, 34952), (8738, 32116), (8806, 31868), (9176, 30583), (9509, 29512), (14392, 19499), (14756, 19018), (15934, 17612), (16058, 17476)]