140000

素因数分解:

$2^5\times 5^4\times 7^1$

素因数の和:37

約数の個数: 60

約数和(自身を含む): 393624

約数和(自身を除く): 253624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 350, 400, 500, 560, 625, 700, 800, 875, 1000, 1120, 1250, 1400, 1750, 2000, 2500, 2800, 3500, 4000, 4375, 5000, 5600, 7000, 8750, 10000, 14000, 17500, 20000, 28000, 35000, 70000, 140000]

約数ペア:

[(1, 140000), (2, 70000), (4, 35000), (5, 28000), (7, 20000), (8, 17500), (10, 14000), (14, 10000), (16, 8750), (20, 7000), (25, 5600), (28, 5000), (32, 4375), (35, 4000), (40, 3500), (50, 2800), (56, 2500), (70, 2000), (80, 1750), (100, 1400), (112, 1250), (125, 1120), (140, 1000), (160, 875), (175, 800), (200, 700), (224, 625), (250, 560), (280, 500), (350, 400)]