187043860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{550129}}^1$

素因数の和:550155

約数の個数: 24

約数和(自身を含む): 415898280

約数和(自身を除く): 228854420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 550129, 1100258, 2200516, 2750645, 5501290, 9352193, 11002580, 18704386, 37408772, 46760965, 93521930, 187043860]

約数ペア:

[(1, 187043860), (2, 93521930), (4, 46760965), (5, 37408772), (10, 18704386), (17, 11002580), (20, 9352193), (34, 5501290), (68, 2750645), (85, 2200516), (170, 1100258), (340, 550129)]