220012790

素因数分解:

$2^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{79427}}^1$

素因数の和:79711

約数の個数: 16

約数和(自身を含む): 397457712

約数和(自身を除く): 177444922

約数列:

[1, 2, 5, 10, 277, 554, 1385, 2770, 79427, 158854, 397135, 794270, 22001279, 44002558, 110006395, 220012790]

約数ペア:

[(1, 220012790), (2, 110006395), (5, 44002558), (10, 22001279), (277, 794270), (554, 397135), (1385, 158854), (2770, 79427)]