2857000

素因数分解:

$2^3\times 5^3\times {\mathrm{2857}}^1$

素因数の和:2878

約数の個数: 32

約数和(自身を含む): 6687720

約数和(自身を除く): 3830720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 2857, 5714, 11428, 14285, 22856, 28570, 57140, 71425, 114280, 142850, 285700, 357125, 571400, 714250, 1428500, 2857000]

約数ペア:

[(1, 2857000), (2, 1428500), (4, 714250), (5, 571400), (8, 357125), (10, 285700), (20, 142850), (25, 114280), (40, 71425), (50, 57140), (100, 28570), (125, 22856), (200, 14285), (250, 11428), (500, 5714), (1000, 2857)]