2148140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5653}}^1$

素因数の和:5681

約数の個数: 24

約数和(自身を含む): 4749360

約数和(自身を除く): 2601220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5653, 11306, 22612, 28265, 56530, 107407, 113060, 214814, 429628, 537035, 1074070, 2148140]

約数ペア:

[(1, 2148140), (2, 1074070), (4, 537035), (5, 429628), (10, 214814), (19, 113060), (20, 107407), (38, 56530), (76, 28265), (95, 22612), (190, 11306), (380, 5653)]