9999500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{2857}}^1$

素因数の和:2883

約数の個数: 48

約数和(自身を含む): 24967488

約数和(自身を除く): 14967988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 2857, 3500, 5714, 11428, 14285, 19999, 28570, 39998, 57140, 71425, 79996, 99995, 142850, 199990, 285700, 357125, 399980, 499975, 714250, 999950, 1428500, 1999900, 2499875, 4999750, 9999500]

約数ペア:

[(1, 9999500), (2, 4999750), (4, 2499875), (5, 1999900), (7, 1428500), (10, 999950), (14, 714250), (20, 499975), (25, 399980), (28, 357125), (35, 285700), (50, 199990), (70, 142850), (100, 99995), (125, 79996), (140, 71425), (175, 57140), (250, 39998), (350, 28570), (500, 19999), (700, 14285), (875, 11428), (1750, 5714), (2857, 3500)]