313655840

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{9851}}^1$

素因数の和:10065

約数の個数: 48

約数和(自身を含む): 744811200

約数和(自身を除く): 431155360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 6368, 7960, 9851, 15920, 19702, 31840, 39404, 49255, 78808, 98510, 157616, 197020, 315232, 394040, 788080, 1576160, 1960349, 3920698, 7841396, 9801745, 15682792, 19603490, 31365584, 39206980, 62731168, 78413960, 156827920, 313655840]

約数ペア:

[(1, 313655840), (2, 156827920), (4, 78413960), (5, 62731168), (8, 39206980), (10, 31365584), (16, 19603490), (20, 15682792), (32, 9801745), (40, 7841396), (80, 3920698), (160, 1960349), (199, 1576160), (398, 788080), (796, 394040), (995, 315232), (1592, 197020), (1990, 157616), (3184, 98510), (3980, 78808), (6368, 49255), (7960, 39404), (9851, 31840), (15920, 19702)]