278239248

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{839}}^1$

素因数の和:914

約数の個数: 180

約数和(自身を含む): 926190720

約数和(自身を除く): 647951472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 47, 48, 49, 56, 63, 72, 84, 94, 98, 112, 126, 141, 144, 147, 168, 188, 196, 252, 282, 294, 329, 336, 376, 392, 423, 441, 504, 564, 588, 658, 752, 784, 839, 846, 882, 987, 1008, 1128, 1176, 1316, 1678, 1692, 1764, 1974, 2256, 2303, 2352, 2517, 2632, 2961, 3356, 3384, 3528, 3948, 4606, 5034, 5264, 5873, 5922, 6712, 6768, 6909, 7056, 7551, 7896, 9212, 10068, 11746, 11844, 13424, 13818, 15102, 15792, 17619, 18424, 20136, 20727, 23492, 23688, 27636, 30204, 35238, 36848, 39433, 40272, 41111, 41454, 46984, 47376, 52857, 55272, 60408, 70476, 78866, 82222, 82908, 93968, 105714, 110544, 118299, 120816, 123333, 140952, 157732, 164444, 165816, 211428, 236598, 246666, 276031, 281904, 315464, 328888, 331632, 354897, 369999, 422856, 473196, 493332, 552062, 630928, 657776, 709794, 739998, 828093, 845712, 946392, 986664, 1104124, 1419588, 1479996, 1656186, 1892784, 1932217, 1973328, 2208248, 2484279, 2839176, 2959992, 3312372, 3864434, 4416496, 4968558, 5678352, 5796651, 5919984, 6624744, 7728868, 9937116, 11593302, 13249488, 15457736, 17389953, 19874232, 23186604, 30915472, 34779906, 39748464, 46373208, 69559812, 92746416, 139119624, 278239248]

約数ペア:

[(1, 278239248), (2, 139119624), (3, 92746416), (4, 69559812), (6, 46373208), (7, 39748464), (8, 34779906), (9, 30915472), (12, 23186604), (14, 19874232), (16, 17389953), (18, 15457736), (21, 13249488), (24, 11593302), (28, 9937116), (36, 7728868), (42, 6624744), (47, 5919984), (48, 5796651), (49, 5678352), (56, 4968558), (63, 4416496), (72, 3864434), (84, 3312372), (94, 2959992), (98, 2839176), (112, 2484279), (126, 2208248), (141, 1973328), (144, 1932217), (147, 1892784), (168, 1656186), (188, 1479996), (196, 1419588), (252, 1104124), (282, 986664), (294, 946392), (329, 845712), (336, 828093), (376, 739998), (392, 709794), (423, 657776), (441, 630928), (504, 552062), (564, 493332), (588, 473196), (658, 422856), (752, 369999), (784, 354897), (839, 331632), (846, 328888), (882, 315464), (987, 281904), (1008, 276031), (1128, 246666), (1176, 236598), (1316, 211428), (1678, 165816), (1692, 164444), (1764, 157732), (1974, 140952), (2256, 123333), (2303, 120816), (2352, 118299), (2517, 110544), (2632, 105714), (2961, 93968), (3356, 82908), (3384, 82222), (3528, 78866), (3948, 70476), (4606, 60408), (5034, 55272), (5264, 52857), (5873, 47376), (5922, 46984), (6712, 41454), (6768, 41111), (6909, 40272), (7056, 39433), (7551, 36848), (7896, 35238), (9212, 30204), (10068, 27636), (11746, 23688), (11844, 23492), (13424, 20727), (13818, 20136), (15102, 18424), (15792, 17619)]