280460224

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 112

約数和(自身を含む): 639055872

約数和(自身を除く): 358595648

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 71, 88, 124, 142, 176, 181, 248, 284, 341, 352, 362, 496, 568, 682, 704, 724, 781, 992, 1136, 1364, 1448, 1562, 1984, 1991, 2201, 2272, 2728, 2896, 3124, 3982, 4402, 4544, 5456, 5611, 5792, 6248, 7964, 8804, 10912, 11222, 11584, 12496, 12851, 15928, 17608, 21824, 22444, 24211, 24992, 25702, 31856, 35216, 44888, 48422, 49984, 51404, 61721, 63712, 70432, 89776, 96844, 102808, 123442, 127424, 140864, 141361, 179552, 193688, 205616, 246884, 282722, 359104, 387376, 398381, 411232, 493768, 565444, 774752, 796762, 822464, 987536, 1130888, 1549504, 1593524, 1975072, 2261776, 3187048, 3950144, 4382191, 4523552, 6374096, 8764382, 9047104, 12748192, 17528764, 25496384, 35057528, 70115056, 140230112, 280460224]

約数ペア:

[(1, 280460224), (2, 140230112), (4, 70115056), (8, 35057528), (11, 25496384), (16, 17528764), (22, 12748192), (31, 9047104), (32, 8764382), (44, 6374096), (62, 4523552), (64, 4382191), (71, 3950144), (88, 3187048), (124, 2261776), (142, 1975072), (176, 1593524), (181, 1549504), (248, 1130888), (284, 987536), (341, 822464), (352, 796762), (362, 774752), (496, 565444), (568, 493768), (682, 411232), (704, 398381), (724, 387376), (781, 359104), (992, 282722), (1136, 246884), (1364, 205616), (1448, 193688), (1562, 179552), (1984, 141361), (1991, 140864), (2201, 127424), (2272, 123442), (2728, 102808), (2896, 96844), (3124, 89776), (3982, 70432), (4402, 63712), (4544, 61721), (5456, 51404), (5611, 49984), (5792, 48422), (6248, 44888), (7964, 35216), (8804, 31856), (10912, 25702), (11222, 24992), (11584, 24211), (12496, 22444), (12851, 21824), (15928, 17608)]