1 times 1 = 1. That's it. Those are the factors of one, because everything times 1 equals the same number. Although, if you are asking "What numbers can you multiply by one?", then the answer is every single REAL number.
All of the counting numbers are multiples of ' 1 '.
They are all multiples of 1.
The multiples of 25 are 1, 5, and 25.
All numbers have an infinite amount of multiples.
All of those numbers have an infinite amount of multiples.
All of those numbers have an infinite number of multiples.
All whole numbers are multiples of one. The number is infinite.
630 and all its multiples.
All of them.
All integers from 1 to 200.
Every number has 1 as a factor.
The common multiples of a number with itself are the multiples of that number. Thus all multiples of A between 1 and 100 are the common multiples of A and A between 1 and 100.