400695680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 256

約数和(自身を含む): 1226741760

約数和(自身を除く): 826046080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 47, 55, 56, 64, 70, 77, 80, 88, 94, 110, 112, 128, 140, 154, 160, 173, 176, 188, 220, 224, 235, 280, 308, 320, 329, 346, 352, 376, 385, 440, 448, 470, 517, 560, 616, 640, 658, 692, 704, 752, 770, 865, 880, 896, 940, 1034, 1120, 1211, 1232, 1316, 1384, 1408, 1504, 1540, 1645, 1730, 1760, 1880, 1903, 2068, 2240, 2422, 2464, 2585, 2632, 2768, 3008, 3080, 3290, 3460, 3520, 3619, 3760, 3806, 4136, 4480, 4844, 4928, 5170, 5264, 5536, 6016, 6055, 6160, 6580, 6920, 7040, 7238, 7520, 7612, 8131, 8272, 9515, 9688, 9856, 10340, 10528, 11072, 12110, 12320, 13160, 13321, 13840, 14476, 15040, 15224, 16262, 16544, 18095, 19030, 19376, 20680, 21056, 22144, 24220, 24640, 26320, 26642, 27680, 28952, 30080, 30448, 32524, 33088, 36190, 38060, 38752, 40655, 41360, 42112, 48440, 49280, 52640, 53284, 55360, 56917, 57904, 60896, 65048, 66176, 66605, 72380, 76120, 77504, 81310, 82720, 89441, 96880, 105280, 106568, 110720, 113834, 115808, 121792, 130096, 133210, 144760, 152240, 155008, 162620, 165440, 178882, 193760, 210560, 213136, 227668, 231616, 243584, 260192, 266420, 284585, 289520, 304480, 325240, 330880, 357764, 387520, 426272, 447205, 455336, 463232, 520384, 532840, 569170, 579040, 608960, 626087, 650480, 715528, 775040, 852544, 894410, 910672, 1040768, 1065680, 1138340, 1158080, 1217920, 1252174, 1300960, 1431056, 1705088, 1788820, 1821344, 2131360, 2276680, 2316160, 2504348, 2601920, 2862112, 3130435, 3577640, 3642688, 4262720, 4553360, 5008696, 5203840, 5724224, 6260870, 7155280, 7285376, 8525440, 9106720, 10017392, 11448448, 12521740, 14310560, 18213440, 20034784, 25043480, 28621120, 36426880, 40069568, 50086960, 57242240, 80139136, 100173920, 200347840, 400695680]

約数ペア:

[(1, 400695680), (2, 200347840), (4, 100173920), (5, 80139136), (7, 57242240), (8, 50086960), (10, 40069568), (11, 36426880), (14, 28621120), (16, 25043480), (20, 20034784), (22, 18213440), (28, 14310560), (32, 12521740), (35, 11448448), (40, 10017392), (44, 9106720), (47, 8525440), (55, 7285376), (56, 7155280), (64, 6260870), (70, 5724224), (77, 5203840), (80, 5008696), (88, 4553360), (94, 4262720), (110, 3642688), (112, 3577640), (128, 3130435), (140, 2862112), (154, 2601920), (160, 2504348), (173, 2316160), (176, 2276680), (188, 2131360), (220, 1821344), (224, 1788820), (235, 1705088), (280, 1431056), (308, 1300960), (320, 1252174), (329, 1217920), (346, 1158080), (352, 1138340), (376, 1065680), (385, 1040768), (440, 910672), (448, 894410), (470, 852544), (517, 775040), (560, 715528), (616, 650480), (640, 626087), (658, 608960), (692, 579040), (704, 569170), (752, 532840), (770, 520384), (865, 463232), (880, 455336), (896, 447205), (940, 426272), (1034, 387520), (1120, 357764), (1211, 330880), (1232, 325240), (1316, 304480), (1384, 289520), (1408, 284585), (1504, 266420), (1540, 260192), (1645, 243584), (1730, 231616), (1760, 227668), (1880, 213136), (1903, 210560), (2068, 193760), (2240, 178882), (2422, 165440), (2464, 162620), (2585, 155008), (2632, 152240), (2768, 144760), (3008, 133210), (3080, 130096), (3290, 121792), (3460, 115808), (3520, 113834), (3619, 110720), (3760, 106568), (3806, 105280), (4136, 96880), (4480, 89441), (4844, 82720), (4928, 81310), (5170, 77504), (5264, 76120), (5536, 72380), (6016, 66605), (6055, 66176), (6160, 65048), (6580, 60896), (6920, 57904), (7040, 56917), (7238, 55360), (7520, 53284), (7612, 52640), (8131, 49280), (8272, 48440), (9515, 42112), (9688, 41360), (9856, 40655), (10340, 38752), (10528, 38060), (11072, 36190), (12110, 33088), (12320, 32524), (13160, 30448), (13321, 30080), (13840, 28952), (14476, 27680), (15040, 26642), (15224, 26320), (16262, 24640), (16544, 24220), (18095, 22144), (19030, 21056), (19376, 20680)]