70857340

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{20479}}^1$

素因数の和:20661

約数の個数: 24

約数和(自身を含む): 149667840

約数和(自身を除く): 78810500

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 20479, 40958, 81916, 102395, 204790, 409580, 3542867, 7085734, 14171468, 17714335, 35428670, 70857340]

約数ペア:

[(1, 70857340), (2, 35428670), (4, 17714335), (5, 14171468), (10, 7085734), (20, 3542867), (173, 409580), (346, 204790), (692, 102395), (865, 81916), (1730, 40958), (3460, 20479)]