494500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:85

約数の個数: 48

約数和(自身を含む): 1153152

約数和(自身を除く): 658652

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 115, 125, 172, 215, 230, 250, 430, 460, 500, 575, 860, 989, 1075, 1150, 1978, 2150, 2300, 2875, 3956, 4300, 4945, 5375, 5750, 9890, 10750, 11500, 19780, 21500, 24725, 49450, 98900, 123625, 247250, 494500]

約数ペア:

[(1, 494500), (2, 247250), (4, 123625), (5, 98900), (10, 49450), (20, 24725), (23, 21500), (25, 19780), (43, 11500), (46, 10750), (50, 9890), (86, 5750), (92, 5375), (100, 4945), (115, 4300), (125, 3956), (172, 2875), (215, 2300), (230, 2150), (250, 1978), (430, 1150), (460, 1075), (500, 989), (575, 860)]