4285000

素因数分解:

$2^3\times 5^4\times {\mathrm{857}}^1$

素因数の和:883

約数の個数: 40

約数和(自身を含む): 10051470

約数和(自身を除く): 5766470

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 857, 1000, 1250, 1714, 2500, 3428, 4285, 5000, 6856, 8570, 17140, 21425, 34280, 42850, 85700, 107125, 171400, 214250, 428500, 535625, 857000, 1071250, 2142500, 4285000]

約数ペア:

[(1, 4285000), (2, 2142500), (4, 1071250), (5, 857000), (8, 535625), (10, 428500), (20, 214250), (25, 171400), (40, 107125), (50, 85700), (100, 42850), (125, 34280), (200, 21425), (250, 17140), (500, 8570), (625, 6856), (857, 5000), (1000, 4285), (1250, 3428), (1714, 2500)]