136357480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{486991}}^1$

素因数の和:487009

約数の個数: 32

約数和(自身を含む): 350634240

約数和(自身を除く): 214276760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 486991, 973982, 1947964, 2434955, 3408937, 3895928, 4869910, 6817874, 9739820, 13635748, 17044685, 19479640, 27271496, 34089370, 68178740, 136357480]

約数ペア:

[(1, 136357480), (2, 68178740), (4, 34089370), (5, 27271496), (7, 19479640), (8, 17044685), (10, 13635748), (14, 9739820), (20, 6817874), (28, 4869910), (35, 3895928), (40, 3408937), (56, 2434955), (70, 1947964), (140, 973982), (280, 486991)]