27941590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{739}}^1$

素因数の和:964

約数の個数: 32

約数和(自身を含む): 53280000

約数和(自身を除く): 25338410

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 739, 995, 1478, 1990, 3695, 3781, 7390, 7562, 14041, 18905, 28082, 37810, 70205, 140410, 147061, 294122, 735305, 1470610, 2794159, 5588318, 13970795, 27941590]

約数ペア:

[(1, 27941590), (2, 13970795), (5, 5588318), (10, 2794159), (19, 1470610), (38, 735305), (95, 294122), (190, 147061), (199, 140410), (398, 70205), (739, 37810), (995, 28082), (1478, 18905), (1990, 14041), (3695, 7562), (3781, 7390)]