280914018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:848

約数の個数: 128

約数和(自身を含む): 758439936

約数和(自身を除く): 477525918

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 47, 51, 66, 77, 94, 102, 119, 141, 154, 187, 231, 238, 282, 329, 357, 374, 462, 517, 561, 658, 714, 761, 799, 987, 1034, 1122, 1309, 1522, 1551, 1598, 1974, 2283, 2397, 2618, 3102, 3619, 3927, 4566, 4794, 5327, 5593, 7238, 7854, 8371, 8789, 10654, 10857, 11186, 12937, 15981, 16742, 16779, 17578, 21714, 25113, 25874, 26367, 31962, 33558, 35767, 38811, 50226, 52734, 58597, 61523, 71534, 77622, 90559, 107301, 117194, 123046, 142307, 175791, 181118, 184569, 214602, 250369, 271677, 284614, 351582, 369138, 393437, 426921, 500738, 543354, 608039, 751107, 786874, 853842, 996149, 1180311, 1216078, 1502214, 1824117, 1992298, 2360622, 2754059, 2988447, 3648234, 4256273, 5508118, 5976894, 6688429, 8262177, 8512546, 12768819, 13376858, 16524354, 20065287, 25537638, 40130574, 46819003, 93638006, 140457009, 280914018]

約数ペア:

[(1, 280914018), (2, 140457009), (3, 93638006), (6, 46819003), (7, 40130574), (11, 25537638), (14, 20065287), (17, 16524354), (21, 13376858), (22, 12768819), (33, 8512546), (34, 8262177), (42, 6688429), (47, 5976894), (51, 5508118), (66, 4256273), (77, 3648234), (94, 2988447), (102, 2754059), (119, 2360622), (141, 1992298), (154, 1824117), (187, 1502214), (231, 1216078), (238, 1180311), (282, 996149), (329, 853842), (357, 786874), (374, 751107), (462, 608039), (517, 543354), (561, 500738), (658, 426921), (714, 393437), (761, 369138), (799, 351582), (987, 284614), (1034, 271677), (1122, 250369), (1309, 214602), (1522, 184569), (1551, 181118), (1598, 175791), (1974, 142307), (2283, 123046), (2397, 117194), (2618, 107301), (3102, 90559), (3619, 77622), (3927, 71534), (4566, 61523), (4794, 58597), (5327, 52734), (5593, 50226), (7238, 38811), (7854, 35767), (8371, 33558), (8789, 31962), (10654, 26367), (10857, 25874), (11186, 25113), (12937, 21714), (15981, 17578), (16742, 16779)]