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Let d₁, d₂, d₃, , d_r be all the positive divisors of n . If d₁+d₂+ +d_r=1000 , then 1 d₁ + 1 d₂ + + 1 d_r equals

Options

  1. A1000 n
  2. Br^2 1000
  3. C1000 n^2
  4. D1000 r^2

Correct answer

A. 1000 n

Step-by-step solution

No solution available.

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