2785000

素因数分解:

$2^3\times 5^4\times {\mathrm{557}}^1$

素因数の和:583

約数の個数: 40

約数和(自身を含む): 6536970

約数和(自身を除く): 3751970

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 557, 625, 1000, 1114, 1250, 2228, 2500, 2785, 4456, 5000, 5570, 11140, 13925, 22280, 27850, 55700, 69625, 111400, 139250, 278500, 348125, 557000, 696250, 1392500, 2785000]

約数ペア:

[(1, 2785000), (2, 1392500), (4, 696250), (5, 557000), (8, 348125), (10, 278500), (20, 139250), (25, 111400), (40, 69625), (50, 55700), (100, 27850), (125, 22280), (200, 13925), (250, 11140), (500, 5570), (557, 5000), (625, 4456), (1000, 2785), (1114, 2500), (1250, 2228)]