89890380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499391}}^1$

素因数の和:499406

約数の個数: 36

約数和(自身を含む): 272668032

約数和(自身を除く): 182777652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499391, 998782, 1498173, 1997564, 2496955, 2996346, 4494519, 4993910, 5992692, 7490865, 8989038, 9987820, 14981730, 17978076, 22472595, 29963460, 44945190, 89890380]

約数ペア:

[(1, 89890380), (2, 44945190), (3, 29963460), (4, 22472595), (5, 17978076), (6, 14981730), (9, 9987820), (10, 8989038), (12, 7490865), (15, 5992692), (18, 4993910), (20, 4494519), (30, 2996346), (36, 2496955), (45, 1997564), (60, 1498173), (90, 998782), (180, 499391)]