198163840

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 192

約数和(自身を含む): 565120800

約数和(自身を除く): 366956960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 71, 80, 89, 98, 112, 128, 140, 142, 160, 178, 196, 224, 245, 280, 284, 320, 355, 356, 392, 445, 448, 490, 497, 560, 568, 623, 640, 710, 712, 784, 890, 896, 980, 994, 1120, 1136, 1246, 1420, 1424, 1568, 1780, 1960, 1988, 2240, 2272, 2485, 2492, 2840, 2848, 3115, 3136, 3479, 3560, 3920, 3976, 4361, 4480, 4544, 4970, 4984, 5680, 5696, 6230, 6272, 6319, 6958, 7120, 7840, 7952, 8722, 9088, 9940, 9968, 11360, 11392, 12460, 12638, 13916, 14240, 15680, 15904, 17395, 17444, 19880, 19936, 21805, 22720, 24920, 25276, 27832, 28480, 31360, 31595, 31808, 34790, 34888, 39760, 39872, 43610, 44233, 45440, 49840, 50552, 55664, 56960, 63190, 63616, 69580, 69776, 79520, 79744, 87220, 88466, 99680, 101104, 111328, 126380, 139160, 139552, 159040, 174440, 176932, 199360, 202208, 221165, 222656, 252760, 278320, 279104, 309631, 318080, 348880, 353864, 398720, 404416, 442330, 445312, 505520, 556640, 558208, 619262, 697760, 707728, 808832, 884660, 1011040, 1113280, 1238524, 1395520, 1415456, 1548155, 1769320, 2022080, 2226560, 2477048, 2791040, 2830912, 3096310, 3538640, 4044160, 4954096, 5661824, 6192620, 7077280, 9908192, 12385240, 14154560, 19816384, 24770480, 28309120, 39632768, 49540960, 99081920, 198163840]

約数ペア:

[(1, 198163840), (2, 99081920), (4, 49540960), (5, 39632768), (7, 28309120), (8, 24770480), (10, 19816384), (14, 14154560), (16, 12385240), (20, 9908192), (28, 7077280), (32, 6192620), (35, 5661824), (40, 4954096), (49, 4044160), (56, 3538640), (64, 3096310), (70, 2830912), (71, 2791040), (80, 2477048), (89, 2226560), (98, 2022080), (112, 1769320), (128, 1548155), (140, 1415456), (142, 1395520), (160, 1238524), (178, 1113280), (196, 1011040), (224, 884660), (245, 808832), (280, 707728), (284, 697760), (320, 619262), (355, 558208), (356, 556640), (392, 505520), (445, 445312), (448, 442330), (490, 404416), (497, 398720), (560, 353864), (568, 348880), (623, 318080), (640, 309631), (710, 279104), (712, 278320), (784, 252760), (890, 222656), (896, 221165), (980, 202208), (994, 199360), (1120, 176932), (1136, 174440), (1246, 159040), (1420, 139552), (1424, 139160), (1568, 126380), (1780, 111328), (1960, 101104), (1988, 99680), (2240, 88466), (2272, 87220), (2485, 79744), (2492, 79520), (2840, 69776), (2848, 69580), (3115, 63616), (3136, 63190), (3479, 56960), (3560, 55664), (3920, 50552), (3976, 49840), (4361, 45440), (4480, 44233), (4544, 43610), (4970, 39872), (4984, 39760), (5680, 34888), (5696, 34790), (6230, 31808), (6272, 31595), (6319, 31360), (6958, 28480), (7120, 27832), (7840, 25276), (7952, 24920), (8722, 22720), (9088, 21805), (9940, 19936), (9968, 19880), (11360, 17444), (11392, 17395), (12460, 15904), (12638, 15680), (13916, 14240)]