2019949340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{11699}}^1$

素因数の和:11894

約数の個数: 48

約数和(自身を含む): 4334148000

約数和(自身を除く): 2314198660

約数列:

[1, 2, 4, 5, 10, 20, 89, 97, 178, 194, 356, 388, 445, 485, 890, 970, 1780, 1940, 8633, 11699, 17266, 23398, 34532, 43165, 46796, 58495, 86330, 116990, 172660, 233980, 1041211, 1134803, 2082422, 2269606, 4164844, 4539212, 5206055, 5674015, 10412110, 11348030, 20824220, 22696060, 100997467, 201994934, 403989868, 504987335, 1009974670, 2019949340]

約数ペア:

[(1, 2019949340), (2, 1009974670), (4, 504987335), (5, 403989868), (10, 201994934), (20, 100997467), (89, 22696060), (97, 20824220), (178, 11348030), (194, 10412110), (356, 5674015), (388, 5206055), (445, 4539212), (485, 4164844), (890, 2269606), (970, 2082422), (1780, 1134803), (1940, 1041211), (8633, 233980), (11699, 172660), (17266, 116990), (23398, 86330), (34532, 58495), (43165, 46796)]