214947280

素因数分解:

$2^4\times 5^1\times {\mathrm{2686841}}^1$

素因数の和:2686854

約数の個数: 20

約数和(自身を含む): 499752612

約数和(自身を除く): 284805332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2686841, 5373682, 10747364, 13434205, 21494728, 26868410, 42989456, 53736820, 107473640, 214947280]

約数ペア:

[(1, 214947280), (2, 107473640), (4, 53736820), (5, 42989456), (8, 26868410), (10, 21494728), (16, 13434205), (20, 10747364), (40, 5373682), (80, 2686841)]