256706688

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{1949}}^1$

素因数の和:1987

約数の個数: 128

約数和(自身を含む): 795600000

約数和(自身を除く): 538893312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 294, 336, 343, 384, 392, 448, 588, 672, 686, 784, 896, 1029, 1176, 1344, 1372, 1568, 1949, 2058, 2352, 2688, 2744, 3136, 3898, 4116, 4704, 5488, 5847, 6272, 7796, 8232, 9408, 10976, 11694, 13643, 15592, 16464, 18816, 21952, 23388, 27286, 31184, 32928, 40929, 43904, 46776, 54572, 62368, 65856, 81858, 93552, 95501, 109144, 124736, 131712, 163716, 187104, 191002, 218288, 249472, 286503, 327432, 374208, 382004, 436576, 573006, 654864, 668507, 748416, 764008, 873152, 1146012, 1309728, 1337014, 1528016, 1746304, 2005521, 2292024, 2619456, 2674028, 3056032, 4011042, 4584048, 5238912, 5348056, 6112064, 8022084, 9168096, 10696112, 12224128, 16044168, 18336192, 21392224, 32088336, 36672384, 42784448, 64176672, 85568896, 128353344, 256706688]

約数ペア:

[(1, 256706688), (2, 128353344), (3, 85568896), (4, 64176672), (6, 42784448), (7, 36672384), (8, 32088336), (12, 21392224), (14, 18336192), (16, 16044168), (21, 12224128), (24, 10696112), (28, 9168096), (32, 8022084), (42, 6112064), (48, 5348056), (49, 5238912), (56, 4584048), (64, 4011042), (84, 3056032), (96, 2674028), (98, 2619456), (112, 2292024), (128, 2005521), (147, 1746304), (168, 1528016), (192, 1337014), (196, 1309728), (224, 1146012), (294, 873152), (336, 764008), (343, 748416), (384, 668507), (392, 654864), (448, 573006), (588, 436576), (672, 382004), (686, 374208), (784, 327432), (896, 286503), (1029, 249472), (1176, 218288), (1344, 191002), (1372, 187104), (1568, 163716), (1949, 131712), (2058, 124736), (2352, 109144), (2688, 95501), (2744, 93552), (3136, 81858), (3898, 65856), (4116, 62368), (4704, 54572), (5488, 46776), (5847, 43904), (6272, 40929), (7796, 32928), (8232, 31184), (9408, 27286), (10976, 23388), (11694, 21952), (13643, 18816), (15592, 16464)]