278363008

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:556

約数の個数: 128

約数和(自身を含む): 704240640

約数和(自身を除く): 425877632

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 61, 64, 77, 88, 112, 122, 128, 154, 176, 224, 244, 308, 352, 427, 448, 463, 488, 616, 671, 704, 854, 896, 926, 976, 1232, 1342, 1408, 1708, 1852, 1952, 2464, 2684, 3241, 3416, 3704, 3904, 4697, 4928, 5093, 5368, 6482, 6832, 7408, 7808, 9394, 9856, 10186, 10736, 12964, 13664, 14816, 18788, 20372, 21472, 25928, 27328, 28243, 29632, 35651, 37576, 40744, 42944, 51856, 54656, 56486, 59264, 71302, 75152, 81488, 85888, 103712, 112972, 142604, 150304, 162976, 197701, 207424, 225944, 285208, 300608, 310673, 325952, 395402, 414848, 451888, 570416, 601216, 621346, 651904, 790804, 903776, 1140832, 1242692, 1581608, 1807552, 2174711, 2281664, 2485384, 3163216, 3615104, 4349422, 4563328, 4970768, 6326432, 8698844, 9941536, 12652864, 17397688, 19883072, 25305728, 34795376, 39766144, 69590752, 139181504, 278363008]

約数ペア:

[(1, 278363008), (2, 139181504), (4, 69590752), (7, 39766144), (8, 34795376), (11, 25305728), (14, 19883072), (16, 17397688), (22, 12652864), (28, 9941536), (32, 8698844), (44, 6326432), (56, 4970768), (61, 4563328), (64, 4349422), (77, 3615104), (88, 3163216), (112, 2485384), (122, 2281664), (128, 2174711), (154, 1807552), (176, 1581608), (224, 1242692), (244, 1140832), (308, 903776), (352, 790804), (427, 651904), (448, 621346), (463, 601216), (488, 570416), (616, 451888), (671, 414848), (704, 395402), (854, 325952), (896, 310673), (926, 300608), (976, 285208), (1232, 225944), (1342, 207424), (1408, 197701), (1708, 162976), (1852, 150304), (1952, 142604), (2464, 112972), (2684, 103712), (3241, 85888), (3416, 81488), (3704, 75152), (3904, 71302), (4697, 59264), (4928, 56486), (5093, 54656), (5368, 51856), (6482, 42944), (6832, 40744), (7408, 37576), (7808, 35651), (9394, 29632), (9856, 28243), (10186, 27328), (10736, 25928), (12964, 21472), (13664, 20372), (14816, 18788)]