400388352

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:393

約数の個数: 288

約数和(自身を含む): 1392797952

約数和(自身を除く): 992409600

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 32, 34, 39, 42, 48, 51, 52, 56, 64, 68, 78, 84, 91, 96, 102, 104, 112, 119, 128, 136, 156, 168, 182, 192, 204, 208, 221, 224, 238, 256, 272, 273, 312, 336, 337, 357, 364, 384, 408, 416, 442, 448, 476, 544, 546, 624, 663, 672, 674, 714, 728, 768, 816, 832, 884, 896, 952, 1011, 1088, 1092, 1248, 1326, 1344, 1348, 1428, 1456, 1547, 1632, 1664, 1768, 1792, 1904, 2022, 2176, 2184, 2359, 2496, 2652, 2688, 2696, 2856, 2912, 3094, 3264, 3328, 3536, 3808, 4044, 4352, 4368, 4381, 4641, 4718, 4992, 5304, 5376, 5392, 5712, 5729, 5824, 6188, 6528, 7072, 7077, 7616, 8088, 8736, 8762, 9282, 9436, 9984, 10608, 10784, 11424, 11458, 11648, 12376, 13056, 13143, 14144, 14154, 15232, 16176, 17187, 17472, 17524, 18564, 18872, 21216, 21568, 22848, 22916, 23296, 24752, 26286, 28288, 28308, 30464, 30667, 32352, 34374, 34944, 35048, 37128, 37744, 40103, 42432, 43136, 45696, 45832, 49504, 52572, 56576, 56616, 61334, 64704, 68748, 69888, 70096, 74256, 74477, 75488, 80206, 84864, 86272, 91392, 91664, 92001, 99008, 105144, 113232, 120309, 122668, 129408, 137496, 140192, 148512, 148954, 150976, 160412, 169728, 183328, 184002, 198016, 210288, 223431, 226464, 240618, 245336, 258816, 274992, 280384, 297024, 297908, 301952, 320824, 366656, 368004, 396032, 420576, 446862, 452928, 481236, 490672, 521339, 549984, 560768, 594048, 595816, 603904, 641648, 733312, 736008, 841152, 893724, 905856, 962472, 981344, 1042678, 1099968, 1121536, 1188096, 1191632, 1283296, 1466624, 1472016, 1564017, 1682304, 1787448, 1811712, 1924944, 1962688, 2085356, 2199936, 2383264, 2566592, 2944032, 3128034, 3364608, 3574896, 3849888, 3925376, 4170712, 4399872, 4766528, 5133184, 5888064, 6256068, 7149792, 7699776, 7850752, 8341424, 9533056, 10266368, 11776128, 12512136, 14299584, 15399552, 16682848, 19066112, 23552256, 25024272, 28599168, 30799104, 33365696, 50048544, 57198336, 66731392, 100097088, 133462784, 200194176, 400388352]

約数ペア:

[(1, 400388352), (2, 200194176), (3, 133462784), (4, 100097088), (6, 66731392), (7, 57198336), (8, 50048544), (12, 33365696), (13, 30799104), (14, 28599168), (16, 25024272), (17, 23552256), (21, 19066112), (24, 16682848), (26, 15399552), (28, 14299584), (32, 12512136), (34, 11776128), (39, 10266368), (42, 9533056), (48, 8341424), (51, 7850752), (52, 7699776), (56, 7149792), (64, 6256068), (68, 5888064), (78, 5133184), (84, 4766528), (91, 4399872), (96, 4170712), (102, 3925376), (104, 3849888), (112, 3574896), (119, 3364608), (128, 3128034), (136, 2944032), (156, 2566592), (168, 2383264), (182, 2199936), (192, 2085356), (204, 1962688), (208, 1924944), (221, 1811712), (224, 1787448), (238, 1682304), (256, 1564017), (272, 1472016), (273, 1466624), (312, 1283296), (336, 1191632), (337, 1188096), (357, 1121536), (364, 1099968), (384, 1042678), (408, 981344), (416, 962472), (442, 905856), (448, 893724), (476, 841152), (544, 736008), (546, 733312), (624, 641648), (663, 603904), (672, 595816), (674, 594048), (714, 560768), (728, 549984), (768, 521339), (816, 490672), (832, 481236), (884, 452928), (896, 446862), (952, 420576), (1011, 396032), (1088, 368004), (1092, 366656), (1248, 320824), (1326, 301952), (1344, 297908), (1348, 297024), (1428, 280384), (1456, 274992), (1547, 258816), (1632, 245336), (1664, 240618), (1768, 226464), (1792, 223431), (1904, 210288), (2022, 198016), (2176, 184002), (2184, 183328), (2359, 169728), (2496, 160412), (2652, 150976), (2688, 148954), (2696, 148512), (2856, 140192), (2912, 137496), (3094, 129408), (3264, 122668), (3328, 120309), (3536, 113232), (3808, 105144), (4044, 99008), (4352, 92001), (4368, 91664), (4381, 91392), (4641, 86272), (4718, 84864), (4992, 80206), (5304, 75488), (5376, 74477), (5392, 74256), (5712, 70096), (5729, 69888), (5824, 68748), (6188, 64704), (6528, 61334), (7072, 56616), (7077, 56576), (7616, 52572), (8088, 49504), (8736, 45832), (8762, 45696), (9282, 43136), (9436, 42432), (9984, 40103), (10608, 37744), (10784, 37128), (11424, 35048), (11458, 34944), (11648, 34374), (12376, 32352), (13056, 30667), (13143, 30464), (14144, 28308), (14154, 28288), (15232, 26286), (16176, 24752), (17187, 23296), (17472, 22916), (17524, 22848), (18564, 21568), (18872, 21216)]