49000

素因数分解:

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

素因数の和:35

約数の個数: 48

約数和(自身を含む): 133380

約数和(自身を除く): 84380

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 490, 500, 700, 875, 980, 1000, 1225, 1400, 1750, 1960, 2450, 3500, 4900, 6125, 7000, 9800, 12250, 24500, 49000]

約数ペア:

[(1, 49000), (2, 24500), (4, 12250), (5, 9800), (7, 7000), (8, 6125), (10, 4900), (14, 3500), (20, 2450), (25, 1960), (28, 1750), (35, 1400), (40, 1225), (49, 1000), (50, 980), (56, 875), (70, 700), (98, 500), (100, 490), (125, 392), (140, 350), (175, 280), (196, 250), (200, 245)]