There are infinitely many possible answers. For example
1x1x1x196
10x10x10x0.196
14x14=196
98 X 2 = 196
As a product of its prime factors: 2*2*7*7 = 196
28 and 7
161
The numbers are: 49 and -4
28 and -7
49 and 4
2 x 2 x 7 x 7 = 196
49 and 4
143
249