9199242020

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1\times {\mathrm{8429}}^1$

素因数の和:8912

約数の個数: 48

約数和(自身を含む): 19488878640

約数和(自身を除く): 10289636620

約数列:

[1, 2, 4, 5, 10, 20, 197, 277, 394, 554, 788, 985, 1108, 1385, 1970, 2770, 3940, 5540, 8429, 16858, 33716, 42145, 54569, 84290, 109138, 168580, 218276, 272845, 545690, 1091380, 1660513, 2334833, 3321026, 4669666, 6642052, 8302565, 9339332, 11674165, 16605130, 23348330, 33210260, 46696660, 459962101, 919924202, 1839848404, 2299810505, 4599621010, 9199242020]

約数ペア:

[(1, 9199242020), (2, 4599621010), (4, 2299810505), (5, 1839848404), (10, 919924202), (20, 459962101), (197, 46696660), (277, 33210260), (394, 23348330), (554, 16605130), (788, 11674165), (985, 9339332), (1108, 8302565), (1385, 6642052), (1970, 4669666), (2770, 3321026), (3940, 2334833), (5540, 1660513), (8429, 1091380), (16858, 545690), (33716, 272845), (42145, 218276), (54569, 168580), (84290, 109138)]