Find the average of factor

3003.

What is the sum of reciprocal of all factor of number 360.

Find the sum of factor 19600

Find the even factor of 4200.

Find the even factor of 3600.

Find the total factor of 10500.

\(1\frac{1}{2}+4\frac{1}{6}+7\frac{1}{12}+10\frac{1}{20}\) up to 20th term. Here 20th term is 58. Find the sum?

Evaluate:

\(\frac{1}{1*3*5}+\frac{1}{1*4}+\frac {1}{3*5*7}+\frac{1}{1*4}+\frac{1}{5*7*9}+\frac{1}{7.10} \) 

up to 20 th term .

\(\frac {1}{1*2*3*4}+ \frac{1}{2*3*4*5}+----+\frac{1}{15*16*17*18}\)

Find the solution.

Find the solution:

\(\frac{1}{5*10*15}+\frac{1}{10*15*20}+\frac{1}{15*20*25}+---+\frac{1}{150*155*160}\)

30th term. Find 30th  term?

Evaluate:

\(\frac{1}{1*4*7}+\frac{1}{4*7*10}+\frac{1}{7*10*13}+\frac{1}{10*13*16}+\frac{1}{13*16*19}\)