9992500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{571}}^1$

素因数の和:602

約数の個数: 60

約数和(自身を含む): 25016992

約数和(自身を除く): 15024492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 571, 625, 700, 875, 1142, 1250, 1750, 2284, 2500, 2855, 3500, 3997, 4375, 5710, 7994, 8750, 11420, 14275, 15988, 17500, 19985, 28550, 39970, 57100, 71375, 79940, 99925, 142750, 199850, 285500, 356875, 399700, 499625, 713750, 999250, 1427500, 1998500, 2498125, 4996250, 9992500]

約数ペア:

[(1, 9992500), (2, 4996250), (4, 2498125), (5, 1998500), (7, 1427500), (10, 999250), (14, 713750), (20, 499625), (25, 399700), (28, 356875), (35, 285500), (50, 199850), (70, 142750), (100, 99925), (125, 79940), (140, 71375), (175, 57100), (250, 39970), (350, 28550), (500, 19985), (571, 17500), (625, 15988), (700, 14275), (875, 11420), (1142, 8750), (1250, 7994), (1750, 5710), (2284, 4375), (2500, 3997), (2855, 3500)]