28121820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{468697}}^1$

素因数の和:468709

約数の個数: 24

約数和(自身を含む): 78741264

約数和(自身を除く): 50619444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 468697, 937394, 1406091, 1874788, 2343485, 2812182, 4686970, 5624364, 7030455, 9373940, 14060910, 28121820]

約数ペア:

[(1, 28121820), (2, 14060910), (3, 9373940), (4, 7030455), (5, 5624364), (6, 4686970), (10, 2812182), (12, 2343485), (15, 1874788), (20, 1406091), (30, 937394), (60, 468697)]