280105940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{823841}}^1$

素因数の和:823867

約数の個数: 24

約数和(自身を含む): 622824552

約数和(自身を除く): 342718612

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 823841, 1647682, 3295364, 4119205, 8238410, 14005297, 16476820, 28010594, 56021188, 70026485, 140052970, 280105940]

約数ペア:

[(1, 280105940), (2, 140052970), (4, 70026485), (5, 56021188), (10, 28010594), (17, 16476820), (20, 14005297), (34, 8238410), (68, 4119205), (85, 3295364), (170, 1647682), (340, 823841)]