291237740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{205097}}^1$

素因数の和:205177

約数の個数: 24

約数和(自身を含む): 620216352

約数和(自身を除く): 328978612

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 205097, 410194, 820388, 1025485, 2050970, 4101940, 14561887, 29123774, 58247548, 72809435, 145618870, 291237740]

約数ペア:

[(1, 291237740), (2, 145618870), (4, 72809435), (5, 58247548), (10, 29123774), (20, 14561887), (71, 4101940), (142, 2050970), (284, 1025485), (355, 820388), (710, 410194), (1420, 205097)]