49457740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 107331840

約数和(自身を除く): 57874100

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 131, 172, 215, 262, 430, 439, 524, 655, 860, 878, 1310, 1756, 2195, 2620, 4390, 5633, 8780, 11266, 18877, 22532, 28165, 37754, 56330, 57509, 75508, 94385, 112660, 115018, 188770, 230036, 287545, 377540, 575090, 1150180, 2472887, 4945774, 9891548, 12364435, 24728870, 49457740]

約数ペア:

[(1, 49457740), (2, 24728870), (4, 12364435), (5, 9891548), (10, 4945774), (20, 2472887), (43, 1150180), (86, 575090), (131, 377540), (172, 287545), (215, 230036), (262, 188770), (430, 115018), (439, 112660), (524, 94385), (655, 75508), (860, 57509), (878, 56330), (1310, 37754), (1756, 28165), (2195, 22532), (2620, 18877), (4390, 11266), (5633, 8780)]