Divisors of the Positive Integer 280

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280

Sum of all the Divisors of 280, including itself

720

Sum of the Proper Divisors of 280

440

Properties of the number 280

The integer 280 is an even number.
The integer 280 is a Composite number.
440 is greater than 280, so 280 is an abundant number.

The number 280 as a Roman Numeral

CCLXXX

The number 280 in various Numeral Systems

Base	Representation
2:	100011000
3:	101101
4:	10120
5:	2110
6:	1144
7:	550
8:	430
9:	341
10:	280
11:	235
12:	1B4
13:	187
14:	160
15:	13A
16:	118
17:	G8
18:	FA
19:	EE
20:	E0
21:	D7
22:	CG
23:	C4
24:	BG
25:	B5
26:	AK
27:	AA
28:	A0
29:	9J
30:	9A
31:	91
32:	8O
33:	8G
34:	88
35:	80
36:	7S