400787712

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{13381}}^1$

素因数の和:13416

約数の個数: 108

約数和(自身を含む): 1244552764

約数和(自身を除く): 843765052

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 256, 288, 312, 384, 416, 468, 576, 624, 768, 832, 936, 1152, 1248, 1664, 1872, 2304, 2496, 3328, 3744, 4992, 7488, 9984, 13381, 14976, 26762, 29952, 40143, 53524, 80286, 107048, 120429, 160572, 173953, 214096, 240858, 321144, 347906, 428192, 481716, 521859, 642288, 695812, 856384, 963432, 1043718, 1284576, 1391624, 1565577, 1712768, 1926864, 2087436, 2569152, 2783248, 3131154, 3425536, 3853728, 4174872, 5138304, 5566496, 6262308, 7707456, 8349744, 10276608, 11132992, 12524616, 15414912, 16699488, 22265984, 25049232, 30829824, 33398976, 44531968, 50098464, 66797952, 100196928, 133595904, 200393856, 400787712]

約数ペア:

[(1, 400787712), (2, 200393856), (3, 133595904), (4, 100196928), (6, 66797952), (8, 50098464), (9, 44531968), (12, 33398976), (13, 30829824), (16, 25049232), (18, 22265984), (24, 16699488), (26, 15414912), (32, 12524616), (36, 11132992), (39, 10276608), (48, 8349744), (52, 7707456), (64, 6262308), (72, 5566496), (78, 5138304), (96, 4174872), (104, 3853728), (117, 3425536), (128, 3131154), (144, 2783248), (156, 2569152), (192, 2087436), (208, 1926864), (234, 1712768), (256, 1565577), (288, 1391624), (312, 1284576), (384, 1043718), (416, 963432), (468, 856384), (576, 695812), (624, 642288), (768, 521859), (832, 481716), (936, 428192), (1152, 347906), (1248, 321144), (1664, 240858), (1872, 214096), (2304, 173953), (2496, 160572), (3328, 120429), (3744, 107048), (4992, 80286), (7488, 53524), (9984, 40143), (13381, 29952), (14976, 26762)]