299718860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2140849}}^1$

素因数の和:2140865

約数の個数: 24

約数和(自身を含む): 719325600

約数和(自身を除く): 419606740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2140849, 4281698, 8563396, 10704245, 14985943, 21408490, 29971886, 42816980, 59943772, 74929715, 149859430, 299718860]

約数ペア:

[(1, 299718860), (2, 149859430), (4, 74929715), (5, 59943772), (7, 42816980), (10, 29971886), (14, 21408490), (20, 14985943), (28, 10704245), (35, 8563396), (70, 4281698), (140, 2140849)]