859420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 1827504

約数和(自身を除く): 968084

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 443, 485, 886, 970, 1772, 1940, 2215, 4430, 8860, 42971, 85942, 171884, 214855, 429710, 859420]

約数ペア:

[(1, 859420), (2, 429710), (4, 214855), (5, 171884), (10, 85942), (20, 42971), (97, 8860), (194, 4430), (388, 2215), (443, 1940), (485, 1772), (886, 970)]