254118656

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 593381376

約数和(自身を除く): 339262720

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 41, 44, 62, 64, 71, 82, 88, 124, 128, 142, 164, 176, 248, 256, 284, 328, 341, 352, 451, 496, 568, 656, 682, 704, 781, 902, 992, 1136, 1271, 1312, 1364, 1408, 1562, 1804, 1984, 2201, 2272, 2542, 2624, 2728, 2816, 2911, 3124, 3608, 3968, 4402, 4544, 5084, 5248, 5456, 5822, 6248, 7216, 7936, 8804, 9088, 10168, 10496, 10912, 11644, 12496, 13981, 14432, 17608, 18176, 20336, 21824, 23288, 24211, 24992, 27962, 28864, 32021, 35216, 40672, 43648, 46576, 48422, 49984, 55924, 57728, 64042, 70432, 81344, 87296, 90241, 93152, 96844, 99968, 111848, 115456, 128084, 140864, 162688, 180482, 186304, 193688, 199936, 223696, 256168, 281728, 325376, 360964, 372608, 387376, 447392, 512336, 563456, 721928, 745216, 774752, 894784, 992651, 1024672, 1443856, 1549504, 1789568, 1985302, 2049344, 2887712, 3099008, 3579136, 3970604, 4098688, 5775424, 6198016, 7941208, 8197376, 11550848, 15882416, 23101696, 31764832, 63529664, 127059328, 254118656]

約数ペア:

[(1, 254118656), (2, 127059328), (4, 63529664), (8, 31764832), (11, 23101696), (16, 15882416), (22, 11550848), (31, 8197376), (32, 7941208), (41, 6198016), (44, 5775424), (62, 4098688), (64, 3970604), (71, 3579136), (82, 3099008), (88, 2887712), (124, 2049344), (128, 1985302), (142, 1789568), (164, 1549504), (176, 1443856), (248, 1024672), (256, 992651), (284, 894784), (328, 774752), (341, 745216), (352, 721928), (451, 563456), (496, 512336), (568, 447392), (656, 387376), (682, 372608), (704, 360964), (781, 325376), (902, 281728), (992, 256168), (1136, 223696), (1271, 199936), (1312, 193688), (1364, 186304), (1408, 180482), (1562, 162688), (1804, 140864), (1984, 128084), (2201, 115456), (2272, 111848), (2542, 99968), (2624, 96844), (2728, 93152), (2816, 90241), (2911, 87296), (3124, 81344), (3608, 70432), (3968, 64042), (4402, 57728), (4544, 55924), (5084, 49984), (5248, 48422), (5456, 46576), (5822, 43648), (6248, 40672), (7216, 35216), (7936, 32021), (8804, 28864), (9088, 27962), (10168, 24992), (10496, 24211), (10912, 23288), (11644, 21824), (12496, 20336), (13981, 18176), (14432, 17608)]