81481610

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{166289}}^1$

素因数の和:166310

約数の個数: 24

約数和(自身を含む): 170613540

約数和(自身を除く): 89131930

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 166289, 332578, 831445, 1164023, 1662890, 2328046, 5820115, 8148161, 11640230, 16296322, 40740805, 81481610]

約数ペア:

[(1, 81481610), (2, 40740805), (5, 16296322), (7, 11640230), (10, 8148161), (14, 5820115), (35, 2328046), (49, 1662890), (70, 1164023), (98, 831445), (245, 332578), (490, 166289)]