289281520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:419

約数の個数: 160

約数和(自身を含む): 792110016

約数和(自身を除く): 502828496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 61, 68, 80, 85, 88, 110, 122, 136, 170, 176, 187, 220, 244, 272, 305, 317, 340, 374, 440, 488, 610, 634, 671, 680, 748, 880, 935, 976, 1037, 1220, 1268, 1342, 1360, 1496, 1585, 1870, 2074, 2440, 2536, 2684, 2992, 3170, 3355, 3487, 3740, 4148, 4880, 5072, 5185, 5368, 5389, 6340, 6710, 6974, 7480, 8296, 10370, 10736, 10778, 11407, 12680, 13420, 13948, 14960, 16592, 17435, 19337, 20740, 21556, 22814, 25360, 26840, 26945, 27896, 34870, 38674, 41480, 43112, 45628, 53680, 53890, 55792, 57035, 59279, 69740, 77348, 82960, 86224, 91256, 96685, 107780, 114070, 118558, 139480, 154696, 182512, 193370, 212707, 215560, 228140, 237116, 278960, 296395, 309392, 328729, 386740, 425414, 431120, 456280, 474232, 592790, 657458, 773480, 850828, 912560, 948464, 1063535, 1185580, 1314916, 1546960, 1643645, 1701656, 2127070, 2371160, 2629832, 3287290, 3403312, 3616019, 4254140, 4742320, 5259664, 6574580, 7232038, 8508280, 13149160, 14464076, 17016560, 18080095, 26298320, 28928152, 36160190, 57856304, 72320380, 144640760, 289281520]

約数ペア:

[(1, 289281520), (2, 144640760), (4, 72320380), (5, 57856304), (8, 36160190), (10, 28928152), (11, 26298320), (16, 18080095), (17, 17016560), (20, 14464076), (22, 13149160), (34, 8508280), (40, 7232038), (44, 6574580), (55, 5259664), (61, 4742320), (68, 4254140), (80, 3616019), (85, 3403312), (88, 3287290), (110, 2629832), (122, 2371160), (136, 2127070), (170, 1701656), (176, 1643645), (187, 1546960), (220, 1314916), (244, 1185580), (272, 1063535), (305, 948464), (317, 912560), (340, 850828), (374, 773480), (440, 657458), (488, 592790), (610, 474232), (634, 456280), (671, 431120), (680, 425414), (748, 386740), (880, 328729), (935, 309392), (976, 296395), (1037, 278960), (1220, 237116), (1268, 228140), (1342, 215560), (1360, 212707), (1496, 193370), (1585, 182512), (1870, 154696), (2074, 139480), (2440, 118558), (2536, 114070), (2684, 107780), (2992, 96685), (3170, 91256), (3355, 86224), (3487, 82960), (3740, 77348), (4148, 69740), (4880, 59279), (5072, 57035), (5185, 55792), (5368, 53890), (5389, 53680), (6340, 45628), (6710, 43112), (6974, 41480), (7480, 38674), (8296, 34870), (10370, 27896), (10736, 26945), (10778, 26840), (11407, 25360), (12680, 22814), (13420, 21556), (13948, 20740), (14960, 19337), (16592, 17435)]