40438790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2903}}^1$

素因数の和:3116

約数の個数: 32

約数和(自身を含む): 83635200

約数和(自身を除く): 43196410

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1990, 2786, 2903, 5806, 6965, 13930, 14515, 20321, 29030, 40642, 101605, 203210, 577697, 1155394, 2888485, 4043879, 5776970, 8087758, 20219395, 40438790]

約数ペア:

[(1, 40438790), (2, 20219395), (5, 8087758), (7, 5776970), (10, 4043879), (14, 2888485), (35, 1155394), (70, 577697), (199, 203210), (398, 101605), (995, 40642), (1393, 29030), (1990, 20321), (2786, 14515), (2903, 13930), (5806, 6965)]