138419120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{35311}}^1$

素因数の和:35338

約数の個数: 60

約数和(自身を含む): 374377824

約数和(自身を除く): 235958704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 35311, 70622, 141244, 176555, 247177, 282488, 353110, 494354, 564976, 706220, 988708, 1235885, 1412440, 1730239, 1977416, 2471770, 2824880, 3460478, 3954832, 4943540, 6920956, 8651195, 9887080, 13841912, 17302390, 19774160, 27683824, 34604780, 69209560, 138419120]

約数ペア:

[(1, 138419120), (2, 69209560), (4, 34604780), (5, 27683824), (7, 19774160), (8, 17302390), (10, 13841912), (14, 9887080), (16, 8651195), (20, 6920956), (28, 4943540), (35, 3954832), (40, 3460478), (49, 2824880), (56, 2471770), (70, 1977416), (80, 1730239), (98, 1412440), (112, 1235885), (140, 988708), (196, 706220), (245, 564976), (280, 494354), (392, 353110), (490, 282488), (560, 247177), (784, 176555), (980, 141244), (1960, 70622), (3920, 35311)]