51841490

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 95040000

約数和(自身を除く): 43198510

約数列:

[1, 2, 5, 10, 109, 199, 218, 239, 398, 478, 545, 995, 1090, 1195, 1990, 2390, 21691, 26051, 43382, 47561, 52102, 95122, 108455, 130255, 216910, 237805, 260510, 475610, 5184149, 10368298, 25920745, 51841490]

約数ペア:

[(1, 51841490), (2, 25920745), (5, 10368298), (10, 5184149), (109, 475610), (199, 260510), (218, 237805), (239, 216910), (398, 130255), (478, 108455), (545, 95122), (995, 52102), (1090, 47561), (1195, 43382), (1990, 26051), (2390, 21691)]