581317940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4152271}}^1$

素因数の和:4152287

約数の個数: 24

約数和(自身を含む): 1395163392

約数和(自身を除く): 813845452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4152271, 8304542, 16609084, 20761355, 29065897, 41522710, 58131794, 83045420, 116263588, 145329485, 290658970, 581317940]

約数ペア:

[(1, 581317940), (2, 290658970), (4, 145329485), (5, 116263588), (7, 83045420), (10, 58131794), (14, 41522710), (20, 29065897), (28, 20761355), (35, 16609084), (70, 8304542), (140, 4152271)]