Is 1780 an abundant number and what is its abundance?

Is 1780 an abundant number?

Here we will explain and calculate if 1780 is an abundant number and its abundance if applicable.

1780 is an abundant number if the sum of its proper divisors is greater than 1780.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 5 + 10 + 20 + 89 + 178 + 356 + 445 + 890 = 2000.

2000 is greater than 1780. Therefore, 1780 is an abundant number.

The abundance of 1780 is the sum of its proper divisors minus 1780. Thus, the abundance of 1780 is 2000 - 1780 = 220

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