122500

素因数分解:

$2^2\times 5^4\times 7^2$

素因数の和:38

約数の個数: 45

約数和(自身を含む): 311619

約数和(自身を除く): 189119

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 625, 700, 875, 980, 1225, 1250, 1750, 2450, 2500, 3500, 4375, 4900, 6125, 8750, 12250, 17500, 24500, 30625, 61250, 122500]

約数ペア:

[(1, 122500), (2, 61250), (4, 30625), (5, 24500), (7, 17500), (10, 12250), (14, 8750), (20, 6125), (25, 4900), (28, 4375), (35, 3500), (49, 2500), (50, 2450), (70, 1750), (98, 1250), (100, 1225), (125, 980), (140, 875), (175, 700), (196, 625), (245, 500), (250, 490)]