49540960

素因数分解:

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

素因数の和:189

約数の個数: 144

約数和(自身を含む): 139618080

約数和(自身を除く): 90077120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 71, 80, 89, 98, 112, 140, 142, 160, 178, 196, 224, 245, 280, 284, 355, 356, 392, 445, 490, 497, 560, 568, 623, 710, 712, 784, 890, 980, 994, 1120, 1136, 1246, 1420, 1424, 1568, 1780, 1960, 1988, 2272, 2485, 2492, 2840, 2848, 3115, 3479, 3560, 3920, 3976, 4361, 4970, 4984, 5680, 6230, 6319, 6958, 7120, 7840, 7952, 8722, 9940, 9968, 11360, 12460, 12638, 13916, 14240, 15904, 17395, 17444, 19880, 19936, 21805, 24920, 25276, 27832, 31595, 34790, 34888, 39760, 43610, 44233, 49840, 50552, 55664, 63190, 69580, 69776, 79520, 87220, 88466, 99680, 101104, 111328, 126380, 139160, 139552, 174440, 176932, 202208, 221165, 252760, 278320, 309631, 348880, 353864, 442330, 505520, 556640, 619262, 697760, 707728, 884660, 1011040, 1238524, 1415456, 1548155, 1769320, 2477048, 3096310, 3538640, 4954096, 6192620, 7077280, 9908192, 12385240, 24770480, 49540960]

約数ペア:

[(1, 49540960), (2, 24770480), (4, 12385240), (5, 9908192), (7, 7077280), (8, 6192620), (10, 4954096), (14, 3538640), (16, 3096310), (20, 2477048), (28, 1769320), (32, 1548155), (35, 1415456), (40, 1238524), (49, 1011040), (56, 884660), (70, 707728), (71, 697760), (80, 619262), (89, 556640), (98, 505520), (112, 442330), (140, 353864), (142, 348880), (160, 309631), (178, 278320), (196, 252760), (224, 221165), (245, 202208), (280, 176932), (284, 174440), (355, 139552), (356, 139160), (392, 126380), (445, 111328), (490, 101104), (497, 99680), (560, 88466), (568, 87220), (623, 79520), (710, 69776), (712, 69580), (784, 63190), (890, 55664), (980, 50552), (994, 49840), (1120, 44233), (1136, 43610), (1246, 39760), (1420, 34888), (1424, 34790), (1568, 31595), (1780, 27832), (1960, 25276), (1988, 24920), (2272, 21805), (2485, 19936), (2492, 19880), (2840, 17444), (2848, 17395), (3115, 15904), (3479, 14240), (3560, 13916), (3920, 12638), (3976, 12460), (4361, 11360), (4970, 9968), (4984, 9940), (5680, 8722), (6230, 7952), (6319, 7840), (6958, 7120)]