7142500

素因数分解:

$2^2\times 5^4\times {\mathrm{2857}}^1$

素因数の和:2881

約数の個数: 30

約数和(自身を含む): 15624686

約数和(自身を除く): 8482186

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 2857, 5714, 11428, 14285, 28570, 57140, 71425, 142850, 285700, 357125, 714250, 1428500, 1785625, 3571250, 7142500]

約数ペア:

[(1, 7142500), (2, 3571250), (4, 1785625), (5, 1428500), (10, 714250), (20, 357125), (25, 285700), (50, 142850), (100, 71425), (125, 57140), (250, 28570), (500, 14285), (625, 11428), (1250, 5714), (2500, 2857)]