208700928

素因数分解:

$2^9\times 3^3\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:545

約数の個数: 160

約数和(自身を含む): 639006720

約数和(自身を除く): 430305792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 186, 192, 216, 248, 256, 279, 288, 372, 384, 432, 487, 496, 512, 558, 576, 744, 768, 837, 864, 974, 992, 1116, 1152, 1461, 1488, 1536, 1674, 1728, 1948, 1984, 2232, 2304, 2922, 2976, 3348, 3456, 3896, 3968, 4383, 4464, 4608, 5844, 5952, 6696, 6912, 7792, 7936, 8766, 8928, 11688, 11904, 13149, 13392, 13824, 15097, 15584, 15872, 17532, 17856, 23376, 23808, 26298, 26784, 30194, 31168, 35064, 35712, 45291, 46752, 47616, 52596, 53568, 60388, 62336, 70128, 71424, 90582, 93504, 105192, 107136, 120776, 124672, 135873, 140256, 142848, 181164, 187008, 210384, 214272, 241552, 249344, 271746, 280512, 362328, 374016, 407619, 420768, 428544, 483104, 543492, 561024, 724656, 748032, 815238, 841536, 966208, 1086984, 1122048, 1449312, 1630476, 1683072, 1932416, 2173968, 2244096, 2898624, 3260952, 3366144, 3864832, 4347936, 5797248, 6521904, 6732288, 7729664, 8695872, 11594496, 13043808, 17391744, 23188992, 26087616, 34783488, 52175232, 69566976, 104350464, 208700928]

約数ペア:

[(1, 208700928), (2, 104350464), (3, 69566976), (4, 52175232), (6, 34783488), (8, 26087616), (9, 23188992), (12, 17391744), (16, 13043808), (18, 11594496), (24, 8695872), (27, 7729664), (31, 6732288), (32, 6521904), (36, 5797248), (48, 4347936), (54, 3864832), (62, 3366144), (64, 3260952), (72, 2898624), (93, 2244096), (96, 2173968), (108, 1932416), (124, 1683072), (128, 1630476), (144, 1449312), (186, 1122048), (192, 1086984), (216, 966208), (248, 841536), (256, 815238), (279, 748032), (288, 724656), (372, 561024), (384, 543492), (432, 483104), (487, 428544), (496, 420768), (512, 407619), (558, 374016), (576, 362328), (744, 280512), (768, 271746), (837, 249344), (864, 241552), (974, 214272), (992, 210384), (1116, 187008), (1152, 181164), (1461, 142848), (1488, 140256), (1536, 135873), (1674, 124672), (1728, 120776), (1948, 107136), (1984, 105192), (2232, 93504), (2304, 90582), (2922, 71424), (2976, 70128), (3348, 62336), (3456, 60388), (3896, 53568), (3968, 52596), (4383, 47616), (4464, 46752), (4608, 45291), (5844, 35712), (5952, 35064), (6696, 31168), (6912, 30194), (7792, 26784), (7936, 26298), (8766, 23808), (8928, 23376), (11688, 17856), (11904, 17532), (13149, 15872), (13392, 15584), (13824, 15097)]