890397070

素因数分解:

$2^1\times 5^1\times {\mathrm{2113}}^1\times {\mathrm{42139}}^1$

素因数の和:44259

約数の個数: 16

約数和(自身を含む): 1603511280

約数和(自身を除く): 713114210

約数列:

[1, 2, 5, 10, 2113, 4226, 10565, 21130, 42139, 84278, 210695, 421390, 89039707, 178079414, 445198535, 890397070]

約数ペア:

[(1, 890397070), (2, 445198535), (5, 178079414), (10, 89039707), (2113, 421390), (4226, 210695), (10565, 84278), (21130, 42139)]