858285500

素因数分解:

$2^2\times 5^3\times {\mathrm{857}}^1\times {\mathrm{2003}}^1$

素因数の和:2879

約数の個数: 48

約数和(自身を含む): 1877619744

約数和(自身を除く): 1019334244

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 857, 1714, 2003, 3428, 4006, 4285, 8012, 8570, 10015, 17140, 20030, 21425, 40060, 42850, 50075, 85700, 100150, 107125, 200300, 214250, 250375, 428500, 500750, 1001500, 1716571, 3433142, 6866284, 8582855, 17165710, 34331420, 42914275, 85828550, 171657100, 214571375, 429142750, 858285500]

約数ペア:

[(1, 858285500), (2, 429142750), (4, 214571375), (5, 171657100), (10, 85828550), (20, 42914275), (25, 34331420), (50, 17165710), (100, 8582855), (125, 6866284), (250, 3433142), (500, 1716571), (857, 1001500), (1714, 500750), (2003, 428500), (3428, 250375), (4006, 214250), (4285, 200300), (8012, 107125), (8570, 100150), (10015, 85700), (17140, 50075), (20030, 42850), (21425, 40060)]