196000

素因数分解:

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

素因数の和:39

約数の個数: 72

約数和(自身を含む): 560196

約数和(自身を除く): 364196

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 800, 875, 980, 1000, 1120, 1225, 1400, 1568, 1750, 1960, 2000, 2450, 2800, 3500, 3920, 4000, 4900, 5600, 6125, 7000, 7840, 9800, 12250, 14000, 19600, 24500, 28000, 39200, 49000, 98000, 196000]

約数ペア:

[(1, 196000), (2, 98000), (4, 49000), (5, 39200), (7, 28000), (8, 24500), (10, 19600), (14, 14000), (16, 12250), (20, 9800), (25, 7840), (28, 7000), (32, 6125), (35, 5600), (40, 4900), (49, 4000), (50, 3920), (56, 3500), (70, 2800), (80, 2450), (98, 2000), (100, 1960), (112, 1750), (125, 1568), (140, 1400), (160, 1225), (175, 1120), (196, 1000), (200, 980), (224, 875), (245, 800), (250, 784), (280, 700), (350, 560), (392, 500), (400, 490)]