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Mathematics 7 Online
OpenStudy (anonymous):

A nice number equals the product of its proper divisor. Find the sum of the first 10 nice numbers.

OpenStudy (anonymous):

How you define a proper divisor ?

OpenStudy (anonymous):

Is 1 and the number itself is proper ?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

because a proper divisor is positive divisor that does not include the number 1 and the number itself

OpenStudy (anonymous):

so 1 and the number itself is "negative divisors" ?

OpenStudy (anonymous):

no, there are not... it should be positive integer... not positive divisors... my bad

OpenStudy (anonymous):

proper divisor are basically numbers that divides a positive integer... i think :)

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