210920500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{8609}}^1$

素因数の和:8642

約数の個数: 72

約数和(自身を含む): 535920840

約数和(自身を除く): 325000340

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, 700, 875, 980, 1225, 1750, 2450, 3500, 4900, 6125, 8609, 12250, 17218, 24500, 34436, 43045, 60263, 86090, 120526, 172180, 215225, 241052, 301315, 421841, 430450, 602630, 843682, 860900, 1076125, 1205260, 1506575, 1687364, 2109205, 2152250, 3013150, 4218410, 4304500, 6026300, 7532875, 8436820, 10546025, 15065750, 21092050, 30131500, 42184100, 52730125, 105460250, 210920500]

約数ペア:

[(1, 210920500), (2, 105460250), (4, 52730125), (5, 42184100), (7, 30131500), (10, 21092050), (14, 15065750), (20, 10546025), (25, 8436820), (28, 7532875), (35, 6026300), (49, 4304500), (50, 4218410), (70, 3013150), (98, 2152250), (100, 2109205), (125, 1687364), (140, 1506575), (175, 1205260), (196, 1076125), (245, 860900), (250, 843682), (350, 602630), (490, 430450), (500, 421841), (700, 301315), (875, 241052), (980, 215225), (1225, 172180), (1750, 120526), (2450, 86090), (3500, 60263), (4900, 43045), (6125, 34436), (8609, 24500), (12250, 17218)]