400208256

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:334

約数の個数: 256

約数和(自身を含む): 1374796800

約数和(自身を除く): 974588544

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, 71, 72, 84, 96, 108, 112, 126, 128, 142, 144, 168, 189, 192, 213, 216, 224, 233, 252, 284, 288, 336, 378, 384, 426, 432, 448, 466, 497, 504, 568, 576, 639, 672, 699, 756, 852, 864, 896, 932, 994, 1008, 1136, 1152, 1278, 1344, 1398, 1491, 1512, 1631, 1704, 1728, 1864, 1917, 1988, 2016, 2097, 2272, 2556, 2688, 2796, 2982, 3024, 3262, 3408, 3456, 3728, 3834, 3976, 4032, 4194, 4473, 4544, 4893, 5112, 5592, 5964, 6048, 6291, 6524, 6816, 7456, 7668, 7952, 8064, 8388, 8946, 9088, 9786, 10224, 11184, 11928, 12096, 12582, 13048, 13419, 13632, 14679, 14912, 15336, 15904, 16543, 16776, 17892, 19572, 20448, 22368, 23856, 24192, 25164, 26096, 26838, 27264, 29358, 29824, 30672, 31808, 33086, 33552, 35784, 39144, 40896, 44037, 44736, 47712, 49629, 50328, 52192, 53676, 58716, 61344, 63616, 66172, 67104, 71568, 78288, 81792, 88074, 89472, 95424, 99258, 100656, 104384, 107352, 115801, 117432, 122688, 132344, 134208, 143136, 148887, 156576, 176148, 190848, 198516, 201312, 208768, 214704, 231602, 234864, 245376, 264688, 268416, 286272, 297774, 313152, 347403, 352296, 397032, 402624, 429408, 446661, 463204, 469728, 529376, 572544, 595548, 626304, 694806, 704592, 794064, 805248, 858816, 893322, 926408, 939456, 1042209, 1058752, 1191096, 1389612, 1409184, 1588128, 1717632, 1786644, 1852816, 1878912, 2084418, 2117504, 2382192, 2779224, 2818368, 3126627, 3176256, 3573288, 3705632, 4168836, 4764384, 5558448, 5636736, 6253254, 6352512, 7146576, 7411264, 8337672, 9528768, 11116896, 12506508, 14293152, 14822528, 16675344, 19057536, 22233792, 25013016, 28586304, 33350688, 44467584, 50026032, 57172608, 66701376, 100052064, 133402752, 200104128, 400208256]

約数ペア:

[(1, 400208256), (2, 200104128), (3, 133402752), (4, 100052064), (6, 66701376), (7, 57172608), (8, 50026032), (9, 44467584), (12, 33350688), (14, 28586304), (16, 25013016), (18, 22233792), (21, 19057536), (24, 16675344), (27, 14822528), (28, 14293152), (32, 12506508), (36, 11116896), (42, 9528768), (48, 8337672), (54, 7411264), (56, 7146576), (63, 6352512), (64, 6253254), (71, 5636736), (72, 5558448), (84, 4764384), (96, 4168836), (108, 3705632), (112, 3573288), (126, 3176256), (128, 3126627), (142, 2818368), (144, 2779224), (168, 2382192), (189, 2117504), (192, 2084418), (213, 1878912), (216, 1852816), (224, 1786644), (233, 1717632), (252, 1588128), (284, 1409184), (288, 1389612), (336, 1191096), (378, 1058752), (384, 1042209), (426, 939456), (432, 926408), (448, 893322), (466, 858816), (497, 805248), (504, 794064), (568, 704592), (576, 694806), (639, 626304), (672, 595548), (699, 572544), (756, 529376), (852, 469728), (864, 463204), (896, 446661), (932, 429408), (994, 402624), (1008, 397032), (1136, 352296), (1152, 347403), (1278, 313152), (1344, 297774), (1398, 286272), (1491, 268416), (1512, 264688), (1631, 245376), (1704, 234864), (1728, 231602), (1864, 214704), (1917, 208768), (1988, 201312), (2016, 198516), (2097, 190848), (2272, 176148), (2556, 156576), (2688, 148887), (2796, 143136), (2982, 134208), (3024, 132344), (3262, 122688), (3408, 117432), (3456, 115801), (3728, 107352), (3834, 104384), (3976, 100656), (4032, 99258), (4194, 95424), (4473, 89472), (4544, 88074), (4893, 81792), (5112, 78288), (5592, 71568), (5964, 67104), (6048, 66172), (6291, 63616), (6524, 61344), (6816, 58716), (7456, 53676), (7668, 52192), (7952, 50328), (8064, 49629), (8388, 47712), (8946, 44736), (9088, 44037), (9786, 40896), (10224, 39144), (11184, 35784), (11928, 33552), (12096, 33086), (12582, 31808), (13048, 30672), (13419, 29824), (13632, 29358), (14679, 27264), (14912, 26838), (15336, 26096), (15904, 25164), (16543, 24192), (16776, 23856), (17892, 22368), (19572, 20448)]