344392240

素因数分解:

$2^4\times 5^1\times {\mathrm{4304903}}^1$

素因数の和:4304916

約数の個数: 20

約数和(自身を含む): 800712144

約数和(自身を除く): 456319904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4304903, 8609806, 17219612, 21524515, 34439224, 43049030, 68878448, 86098060, 172196120, 344392240]

約数ペア:

[(1, 344392240), (2, 172196120), (4, 86098060), (5, 68878448), (8, 43049030), (10, 34439224), (16, 21524515), (20, 17219612), (40, 8609806), (80, 4304903)]