205405648

素因数分解:

$2^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:229

約数の個数: 120

約数和(自身を含む): 486942792

約数和(自身を除く): 281537144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 49, 56, 73, 74, 97, 98, 112, 146, 148, 194, 196, 259, 292, 296, 388, 392, 511, 518, 584, 592, 679, 776, 784, 1022, 1036, 1168, 1358, 1552, 1813, 2044, 2072, 2701, 2716, 3577, 3589, 3626, 4088, 4144, 4753, 5402, 5432, 7081, 7154, 7178, 7252, 8176, 9506, 10804, 10864, 14162, 14308, 14356, 14504, 18907, 19012, 21608, 25123, 28324, 28616, 28712, 29008, 37814, 38024, 43216, 49567, 50246, 56648, 57232, 57424, 75628, 76048, 99134, 100492, 113296, 132349, 151256, 175861, 198268, 200984, 261997, 264698, 302512, 346969, 351722, 396536, 401968, 523994, 529396, 693938, 703444, 793072, 1047988, 1058792, 1387876, 1406888, 1833979, 2095976, 2117584, 2775752, 2813776, 3667958, 4191952, 5551504, 7335916, 12837853, 14671832, 25675706, 29343664, 51351412, 102702824, 205405648]

約数ペア:

[(1, 205405648), (2, 102702824), (4, 51351412), (7, 29343664), (8, 25675706), (14, 14671832), (16, 12837853), (28, 7335916), (37, 5551504), (49, 4191952), (56, 3667958), (73, 2813776), (74, 2775752), (97, 2117584), (98, 2095976), (112, 1833979), (146, 1406888), (148, 1387876), (194, 1058792), (196, 1047988), (259, 793072), (292, 703444), (296, 693938), (388, 529396), (392, 523994), (511, 401968), (518, 396536), (584, 351722), (592, 346969), (679, 302512), (776, 264698), (784, 261997), (1022, 200984), (1036, 198268), (1168, 175861), (1358, 151256), (1552, 132349), (1813, 113296), (2044, 100492), (2072, 99134), (2701, 76048), (2716, 75628), (3577, 57424), (3589, 57232), (3626, 56648), (4088, 50246), (4144, 49567), (4753, 43216), (5402, 38024), (5432, 37814), (7081, 29008), (7154, 28712), (7178, 28616), (7252, 28324), (8176, 25123), (9506, 21608), (10804, 19012), (10864, 18907), (14162, 14504), (14308, 14356)]