209900450

素因数分解:

$2^1\times 5^2\times {\mathrm{337}}^1\times {\mathrm{12457}}^1$

素因数の和:12806

約数の個数: 24

約数和(自身を含む): 391604772

約数和(自身を除く): 181704322

約数列:

[1, 2, 5, 10, 25, 50, 337, 674, 1685, 3370, 8425, 12457, 16850, 24914, 62285, 124570, 311425, 622850, 4198009, 8396018, 20990045, 41980090, 104950225, 209900450]

約数ペア:

[(1, 209900450), (2, 104950225), (5, 41980090), (10, 20990045), (25, 8396018), (50, 4198009), (337, 622850), (674, 311425), (1685, 124570), (3370, 62285), (8425, 24914), (12457, 16850)]