72910180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{520787}}^1$

素因数の和:520803

約数の個数: 24

約数和(自身を含む): 174984768

約数和(自身を除く): 102074588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 520787, 1041574, 2083148, 2603935, 3645509, 5207870, 7291018, 10415740, 14582036, 18227545, 36455090, 72910180]

約数ペア:

[(1, 72910180), (2, 36455090), (4, 18227545), (5, 14582036), (7, 10415740), (10, 7291018), (14, 5207870), (20, 3645509), (28, 2603935), (35, 2083148), (70, 1041574), (140, 520787)]