50485000

素因数分解:

$2^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 123710400

約数和(自身を除く): 73225400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 439, 460, 500, 575, 625, 878, 920, 1000, 1150, 1250, 1756, 2195, 2300, 2500, 2875, 3512, 4390, 4600, 5000, 5750, 8780, 10097, 10975, 11500, 14375, 17560, 20194, 21950, 23000, 28750, 40388, 43900, 50485, 54875, 57500, 80776, 87800, 100970, 109750, 115000, 201940, 219500, 252425, 274375, 403880, 439000, 504850, 548750, 1009700, 1097500, 1262125, 2019400, 2195000, 2524250, 5048500, 6310625, 10097000, 12621250, 25242500, 50485000]

約数ペア:

[(1, 50485000), (2, 25242500), (4, 12621250), (5, 10097000), (8, 6310625), (10, 5048500), (20, 2524250), (23, 2195000), (25, 2019400), (40, 1262125), (46, 1097500), (50, 1009700), (92, 548750), (100, 504850), (115, 439000), (125, 403880), (184, 274375), (200, 252425), (230, 219500), (250, 201940), (439, 115000), (460, 109750), (500, 100970), (575, 87800), (625, 80776), (878, 57500), (920, 54875), (1000, 50485), (1150, 43900), (1250, 40388), (1756, 28750), (2195, 23000), (2300, 21950), (2500, 20194), (2875, 17560), (3512, 14375), (4390, 11500), (4600, 10975), (5000, 10097), (5750, 8780)]