208031180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1485937}}^1$

素因数の和:1485953

約数の個数: 24

約数和(自身を含む): 499275168

約数和(自身を除く): 291243988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1485937, 2971874, 5943748, 7429685, 10401559, 14859370, 20803118, 29718740, 41606236, 52007795, 104015590, 208031180]

約数ペア:

[(1, 208031180), (2, 104015590), (4, 52007795), (5, 41606236), (7, 29718740), (10, 20803118), (14, 14859370), (20, 10401559), (28, 7429685), (35, 5943748), (70, 2971874), (140, 1485937)]