39939410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{81509}}^1$

素因数の和:81530

約数の個数: 24

約数和(自身を含む): 83629260

約数和(自身を除く): 43689850

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 81509, 163018, 407545, 570563, 815090, 1141126, 2852815, 3993941, 5705630, 7987882, 19969705, 39939410]

約数ペア:

[(1, 39939410), (2, 19969705), (5, 7987882), (7, 5705630), (10, 3993941), (14, 2852815), (35, 1141126), (49, 815090), (70, 570563), (98, 407545), (245, 163018), (490, 81509)]