99187480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1979}}^1$

素因数の和:2176

約数の個数: 64

約数和(自身を含む): 256608000

約数和(自身を除く): 157420520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 716, 895, 1253, 1432, 1790, 1979, 2506, 3580, 3958, 5012, 6265, 7160, 7916, 9895, 10024, 12530, 13853, 15832, 19790, 25060, 27706, 39580, 50120, 55412, 69265, 79160, 110824, 138530, 277060, 354241, 554120, 708482, 1416964, 1771205, 2479687, 2833928, 3542410, 4959374, 7084820, 9918748, 12398435, 14169640, 19837496, 24796870, 49593740, 99187480]

約数ペア:

[(1, 99187480), (2, 49593740), (4, 24796870), (5, 19837496), (7, 14169640), (8, 12398435), (10, 9918748), (14, 7084820), (20, 4959374), (28, 3542410), (35, 2833928), (40, 2479687), (56, 1771205), (70, 1416964), (140, 708482), (179, 554120), (280, 354241), (358, 277060), (716, 138530), (895, 110824), (1253, 79160), (1432, 69265), (1790, 55412), (1979, 50120), (2506, 39580), (3580, 27706), (3958, 25060), (5012, 19790), (6265, 15832), (7160, 13853), (7916, 12530), (9895, 10024)]