Simple math fail, 70 + 1 = Wow, that's tough. Maybe, umm, 71?
The odd factors of 70 are: 1, 5, 7, and 35. The sum of these factors is 48.
The odd positive integer factors of 70 are: 1 5 7 35 The sum of these factors is 1 + 5 + 7 + 35 = 48
the sum of 70 + 30 = 100
70 + 19 = 89 or: the sum of 70 and 19 is 89
The sum is 50+20 = 70
y=x+70
It is: 22+70 = 92
If the sum of all a number's factors (apart from itself) is equal to the original number, then the number is perfect. If this sum is less than the number, it is deficient. If the sum is more than the number, it is abundant. The factors of 70 are: 1, 2, 5, 7, 10, 14, 35 and 70. 1+2+5+7+10+14+35 = 74. Thus the number 70 is abundant.
70.
34
20 + 50 = 70.
14 x (1 + 4) = 14 x 5 = 70