218500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:61

約数の個数: 48

約数和(自身を含む): 524160

約数和(自身を除く): 305660

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 125, 190, 230, 250, 380, 437, 460, 475, 500, 575, 874, 950, 1150, 1748, 1900, 2185, 2300, 2375, 2875, 4370, 4750, 5750, 8740, 9500, 10925, 11500, 21850, 43700, 54625, 109250, 218500]

約数ペア:

[(1, 218500), (2, 109250), (4, 54625), (5, 43700), (10, 21850), (19, 11500), (20, 10925), (23, 9500), (25, 8740), (38, 5750), (46, 4750), (50, 4370), (76, 2875), (92, 2375), (95, 2300), (100, 2185), (115, 1900), (125, 1748), (190, 1150), (230, 950), (250, 874), (380, 575), (437, 500), (460, 475)]