66722740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{476591}}^1$

素因数の和:476607

約数の個数: 24

約数和(自身を含む): 160134912

約数和(自身を除く): 93412172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 476591, 953182, 1906364, 2382955, 3336137, 4765910, 6672274, 9531820, 13344548, 16680685, 33361370, 66722740]

約数ペア:

[(1, 66722740), (2, 33361370), (4, 16680685), (5, 13344548), (7, 9531820), (10, 6672274), (14, 4765910), (20, 3336137), (28, 2382955), (35, 1906364), (70, 953182), (140, 476591)]