45078740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{321991}}^1$

素因数の和:322007

約数の個数: 24

約数和(自身を含む): 108189312

約数和(自身を除く): 63110572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 321991, 643982, 1287964, 1609955, 2253937, 3219910, 4507874, 6439820, 9015748, 11269685, 22539370, 45078740]

約数ペア:

[(1, 45078740), (2, 22539370), (4, 11269685), (5, 9015748), (7, 6439820), (10, 4507874), (14, 3219910), (20, 2253937), (28, 1609955), (35, 1287964), (70, 643982), (140, 321991)]