842500

素因数分解:

$2^2\times 5^4\times {\mathrm{337}}^1$

素因数の和:361

約数の個数: 30

約数和(自身を含む): 1847846

約数和(自身を除く): 1005346

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 337, 500, 625, 674, 1250, 1348, 1685, 2500, 3370, 6740, 8425, 16850, 33700, 42125, 84250, 168500, 210625, 421250, 842500]

約数ペア:

[(1, 842500), (2, 421250), (4, 210625), (5, 168500), (10, 84250), (20, 42125), (25, 33700), (50, 16850), (100, 8425), (125, 6740), (250, 3370), (337, 2500), (500, 1685), (625, 1348), (674, 1250)]