137717480

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{10861}}^1$

素因数の和:11189

約数の個数: 32

約数和(自身を含む): 310870440

約数和(自身を除く): 173152960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 10861, 12680, 21722, 43444, 54305, 86888, 108610, 217220, 434440, 3442937, 6885874, 13771748, 17214685, 27543496, 34429370, 68858740, 137717480]

約数ペア:

[(1, 137717480), (2, 68858740), (4, 34429370), (5, 27543496), (8, 17214685), (10, 13771748), (20, 6885874), (40, 3442937), (317, 434440), (634, 217220), (1268, 108610), (1585, 86888), (2536, 54305), (3170, 43444), (6340, 21722), (10861, 12680)]