857193820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{142391}}^1$

素因数の和:142450

約数の個数: 48

約数和(自身を含む): 2105123328

約数和(自身を除く): 1247929508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 142391, 284782, 569564, 711955, 996737, 1423910, 1993474, 2847820, 3986948, 4983685, 6122813, 9967370, 12245626, 19934740, 24491252, 30614065, 42859691, 61228130, 85719382, 122456260, 171438764, 214298455, 428596910, 857193820]

約数ペア:

[(1, 857193820), (2, 428596910), (4, 214298455), (5, 171438764), (7, 122456260), (10, 85719382), (14, 61228130), (20, 42859691), (28, 30614065), (35, 24491252), (43, 19934740), (70, 12245626), (86, 9967370), (140, 6122813), (172, 4983685), (215, 3986948), (301, 2847820), (430, 1993474), (602, 1423910), (860, 996737), (1204, 711955), (1505, 569564), (3010, 284782), (6020, 142391)]