7000

素因数分解:

$2^3\times 5^3\times 7^1$

素因数の和:28

約数の個数: 32

約数和(自身を含む): 18720

約数和(自身を除く): 11720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000]

約数ペア:

[(1, 7000), (2, 3500), (4, 1750), (5, 1400), (7, 1000), (8, 875), (10, 700), (14, 500), (20, 350), (25, 280), (28, 250), (35, 200), (40, 175), (50, 140), (56, 125), (70, 100)]