191421440

素因数分解:

$2^{10}\times 5^1\times 7^3\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 176

約数和(自身を含む): 540408000

約数和(自身を除く): 348986560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 109, 112, 128, 140, 160, 196, 218, 224, 245, 256, 280, 320, 343, 392, 436, 448, 490, 512, 545, 560, 640, 686, 763, 784, 872, 896, 980, 1024, 1090, 1120, 1280, 1372, 1526, 1568, 1715, 1744, 1792, 1960, 2180, 2240, 2560, 2744, 3052, 3136, 3430, 3488, 3584, 3815, 3920, 4360, 4480, 5120, 5341, 5488, 6104, 6272, 6860, 6976, 7168, 7630, 7840, 8720, 8960, 10682, 10976, 12208, 12544, 13720, 13952, 15260, 15680, 17440, 17920, 21364, 21952, 24416, 25088, 26705, 27440, 27904, 30520, 31360, 34880, 35840, 37387, 42728, 43904, 48832, 50176, 53410, 54880, 55808, 61040, 62720, 69760, 74774, 85456, 87808, 97664, 106820, 109760, 111616, 122080, 125440, 139520, 149548, 170912, 175616, 186935, 195328, 213640, 219520, 244160, 250880, 279040, 299096, 341824, 351232, 373870, 390656, 427280, 439040, 488320, 558080, 598192, 683648, 747740, 781312, 854560, 878080, 976640, 1196384, 1367296, 1495480, 1709120, 1756160, 1953280, 2392768, 2734592, 2990960, 3418240, 3906560, 4785536, 5469184, 5981920, 6836480, 9571072, 11963840, 13672960, 19142144, 23927680, 27345920, 38284288, 47855360, 95710720, 191421440]

約数ペア:

[(1, 191421440), (2, 95710720), (4, 47855360), (5, 38284288), (7, 27345920), (8, 23927680), (10, 19142144), (14, 13672960), (16, 11963840), (20, 9571072), (28, 6836480), (32, 5981920), (35, 5469184), (40, 4785536), (49, 3906560), (56, 3418240), (64, 2990960), (70, 2734592), (80, 2392768), (98, 1953280), (109, 1756160), (112, 1709120), (128, 1495480), (140, 1367296), (160, 1196384), (196, 976640), (218, 878080), (224, 854560), (245, 781312), (256, 747740), (280, 683648), (320, 598192), (343, 558080), (392, 488320), (436, 439040), (448, 427280), (490, 390656), (512, 373870), (545, 351232), (560, 341824), (640, 299096), (686, 279040), (763, 250880), (784, 244160), (872, 219520), (896, 213640), (980, 195328), (1024, 186935), (1090, 175616), (1120, 170912), (1280, 149548), (1372, 139520), (1526, 125440), (1568, 122080), (1715, 111616), (1744, 109760), (1792, 106820), (1960, 97664), (2180, 87808), (2240, 85456), (2560, 74774), (2744, 69760), (3052, 62720), (3136, 61040), (3430, 55808), (3488, 54880), (3584, 53410), (3815, 50176), (3920, 48832), (4360, 43904), (4480, 42728), (5120, 37387), (5341, 35840), (5488, 34880), (6104, 31360), (6272, 30520), (6860, 27904), (6976, 27440), (7168, 26705), (7630, 25088), (7840, 24416), (8720, 21952), (8960, 21364), (10682, 17920), (10976, 17440), (12208, 15680), (12544, 15260), (13720, 13952)]