257499648

素因数分解:

$2^9\times 3^4\times 7^1\times {\mathrm{887}}^1$

素因数の和:924

約数の個数: 200

約数和(自身を含む): 879354432

約数和(自身を除く): 621854784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 128, 144, 162, 168, 189, 192, 216, 224, 252, 256, 288, 324, 336, 378, 384, 432, 448, 504, 512, 567, 576, 648, 672, 756, 768, 864, 887, 896, 1008, 1134, 1152, 1296, 1344, 1512, 1536, 1728, 1774, 1792, 2016, 2268, 2304, 2592, 2661, 2688, 3024, 3456, 3548, 3584, 4032, 4536, 4608, 5184, 5322, 5376, 6048, 6209, 6912, 7096, 7983, 8064, 9072, 10368, 10644, 10752, 12096, 12418, 13824, 14192, 15966, 16128, 18144, 18627, 20736, 21288, 23949, 24192, 24836, 28384, 31932, 32256, 36288, 37254, 41472, 42576, 47898, 48384, 49672, 55881, 56768, 63864, 71847, 72576, 74508, 85152, 95796, 96768, 99344, 111762, 113536, 127728, 143694, 145152, 149016, 167643, 170304, 191592, 198688, 223524, 227072, 255456, 287388, 290304, 298032, 335286, 340608, 383184, 397376, 447048, 454144, 502929, 510912, 574776, 596064, 670572, 681216, 766368, 794752, 894096, 1005858, 1021824, 1149552, 1192128, 1341144, 1362432, 1532736, 1589504, 1788192, 2011716, 2043648, 2299104, 2384256, 2682288, 3065472, 3179008, 3576384, 4023432, 4087296, 4598208, 4768512, 5364576, 6130944, 7152768, 8046864, 9196416, 9537024, 10729152, 12261888, 14305536, 16093728, 18392832, 21458304, 28611072, 32187456, 36785664, 42916608, 64374912, 85833216, 128749824, 257499648]

約数ペア:

[(1, 257499648), (2, 128749824), (3, 85833216), (4, 64374912), (6, 42916608), (7, 36785664), (8, 32187456), (9, 28611072), (12, 21458304), (14, 18392832), (16, 16093728), (18, 14305536), (21, 12261888), (24, 10729152), (27, 9537024), (28, 9196416), (32, 8046864), (36, 7152768), (42, 6130944), (48, 5364576), (54, 4768512), (56, 4598208), (63, 4087296), (64, 4023432), (72, 3576384), (81, 3179008), (84, 3065472), (96, 2682288), (108, 2384256), (112, 2299104), (126, 2043648), (128, 2011716), (144, 1788192), (162, 1589504), (168, 1532736), (189, 1362432), (192, 1341144), (216, 1192128), (224, 1149552), (252, 1021824), (256, 1005858), (288, 894096), (324, 794752), (336, 766368), (378, 681216), (384, 670572), (432, 596064), (448, 574776), (504, 510912), (512, 502929), (567, 454144), (576, 447048), (648, 397376), (672, 383184), (756, 340608), (768, 335286), (864, 298032), (887, 290304), (896, 287388), (1008, 255456), (1134, 227072), (1152, 223524), (1296, 198688), (1344, 191592), (1512, 170304), (1536, 167643), (1728, 149016), (1774, 145152), (1792, 143694), (2016, 127728), (2268, 113536), (2304, 111762), (2592, 99344), (2661, 96768), (2688, 95796), (3024, 85152), (3456, 74508), (3548, 72576), (3584, 71847), (4032, 63864), (4536, 56768), (4608, 55881), (5184, 49672), (5322, 48384), (5376, 47898), (6048, 42576), (6209, 41472), (6912, 37254), (7096, 36288), (7983, 32256), (8064, 31932), (9072, 28384), (10368, 24836), (10644, 24192), (10752, 23949), (12096, 21288), (12418, 20736), (13824, 18627), (14192, 18144), (15966, 16128)]