199000

素因数分解:

$2^3\times 5^3\times {\mathrm{199}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 468000

約数和(自身を除く): 269000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 199, 200, 250, 398, 500, 796, 995, 1000, 1592, 1990, 3980, 4975, 7960, 9950, 19900, 24875, 39800, 49750, 99500, 199000]

約数ペア:

[(1, 199000), (2, 99500), (4, 49750), (5, 39800), (8, 24875), (10, 19900), (20, 9950), (25, 7960), (40, 4975), (50, 3980), (100, 1990), (125, 1592), (199, 1000), (200, 995), (250, 796), (398, 500)]