519577940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3711271}}^1$

素因数の和:3711287

約数の個数: 24

約数和(自身を含む): 1246987392

約数和(自身を除く): 727409452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3711271, 7422542, 14845084, 18556355, 25978897, 37112710, 51957794, 74225420, 103915588, 129894485, 259788970, 519577940]

約数ペア:

[(1, 519577940), (2, 259788970), (4, 129894485), (5, 103915588), (7, 74225420), (10, 51957794), (14, 37112710), (20, 25978897), (28, 18556355), (35, 14845084), (70, 7422542), (140, 3711271)]