219028610

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{308491}}^1$

素因数の和:308569

約数の個数: 16

約数和(自身を含む): 399805632

約数和(自身を除く): 180777022

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 308491, 616982, 1542455, 3084910, 21902861, 43805722, 109514305, 219028610]

約数ペア:

[(1, 219028610), (2, 109514305), (5, 43805722), (10, 21902861), (71, 3084910), (142, 1542455), (355, 616982), (710, 308491)]