2889740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20641}}^1$

素因数の和:20657

約数の個数: 24

約数和(自身を含む): 6935712

約数和(自身を除く): 4045972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20641, 41282, 82564, 103205, 144487, 206410, 288974, 412820, 577948, 722435, 1444870, 2889740]

約数ペア:

[(1, 2889740), (2, 1444870), (4, 722435), (5, 577948), (7, 412820), (10, 288974), (14, 206410), (20, 144487), (28, 103205), (35, 82564), (70, 41282), (140, 20641)]