2142500

素因数分解:

$2^2\times 5^4\times {\mathrm{857}}^1$

素因数の和:881

約数の個数: 30

約数和(自身を含む): 4690686

約数和(自身を除く): 2548186

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 857, 1250, 1714, 2500, 3428, 4285, 8570, 17140, 21425, 42850, 85700, 107125, 214250, 428500, 535625, 1071250, 2142500]

約数ペア:

[(1, 2142500), (2, 1071250), (4, 535625), (5, 428500), (10, 214250), (20, 107125), (25, 85700), (50, 42850), (100, 21425), (125, 17140), (250, 8570), (500, 4285), (625, 3428), (857, 2500), (1250, 1714)]