399187712

素因数分解:

$2^8\times 7^2\times {\mathrm{11}}^2\times {\mathrm{263}}^1$

素因数の和:315

約数の個数: 162

約数和(自身を含む): 1022707224

約数和(自身を除く): 623519512

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 121, 128, 154, 176, 196, 224, 242, 256, 263, 308, 352, 392, 448, 484, 526, 539, 616, 704, 784, 847, 896, 968, 1052, 1078, 1232, 1408, 1568, 1694, 1792, 1841, 1936, 2104, 2156, 2464, 2816, 2893, 3136, 3388, 3682, 3872, 4208, 4312, 4928, 5786, 5929, 6272, 6776, 7364, 7744, 8416, 8624, 9856, 11572, 11858, 12544, 12887, 13552, 14728, 15488, 16832, 17248, 19712, 20251, 23144, 23716, 25774, 27104, 29456, 30976, 31823, 33664, 34496, 40502, 46288, 47432, 51548, 54208, 58912, 63646, 67328, 68992, 81004, 92576, 94864, 103096, 108416, 117824, 127292, 137984, 141757, 162008, 185152, 189728, 206192, 216832, 222761, 235648, 254584, 283514, 324016, 370304, 379456, 412384, 445522, 471296, 509168, 567028, 648032, 740608, 758912, 824768, 891044, 1018336, 1134056, 1296064, 1517824, 1559327, 1649536, 1782088, 2036672, 2268112, 2592128, 3118654, 3299072, 3564176, 4073344, 4536224, 5184256, 6237308, 7128352, 8146688, 9072448, 12474616, 14256704, 18144896, 24949232, 28513408, 36289792, 49898464, 57026816, 99796928, 199593856, 399187712]

約数ペア:

[(1, 399187712), (2, 199593856), (4, 99796928), (7, 57026816), (8, 49898464), (11, 36289792), (14, 28513408), (16, 24949232), (22, 18144896), (28, 14256704), (32, 12474616), (44, 9072448), (49, 8146688), (56, 7128352), (64, 6237308), (77, 5184256), (88, 4536224), (98, 4073344), (112, 3564176), (121, 3299072), (128, 3118654), (154, 2592128), (176, 2268112), (196, 2036672), (224, 1782088), (242, 1649536), (256, 1559327), (263, 1517824), (308, 1296064), (352, 1134056), (392, 1018336), (448, 891044), (484, 824768), (526, 758912), (539, 740608), (616, 648032), (704, 567028), (784, 509168), (847, 471296), (896, 445522), (968, 412384), (1052, 379456), (1078, 370304), (1232, 324016), (1408, 283514), (1568, 254584), (1694, 235648), (1792, 222761), (1841, 216832), (1936, 206192), (2104, 189728), (2156, 185152), (2464, 162008), (2816, 141757), (2893, 137984), (3136, 127292), (3388, 117824), (3682, 108416), (3872, 103096), (4208, 94864), (4312, 92576), (4928, 81004), (5786, 68992), (5929, 67328), (6272, 63646), (6776, 58912), (7364, 54208), (7744, 51548), (8416, 47432), (8624, 46288), (9856, 40502), (11572, 34496), (11858, 33664), (12544, 31823), (12887, 30976), (13552, 29456), (14728, 27104), (15488, 25774), (16832, 23716), (17248, 23144), (19712, 20251)]