1799663020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1\times {\mathrm{1979}}^1$

素因数の和:3138

約数の個数: 48

約数和(自身を含む): 3876919200

約数和(自身を除く): 2077256180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1109, 1979, 2218, 3958, 4436, 5545, 7916, 9895, 11090, 19790, 22180, 39580, 45469, 81139, 90938, 162278, 181876, 227345, 324556, 405695, 454690, 811390, 909380, 1622780, 2194711, 4389422, 8778844, 10973555, 21947110, 43894220, 89983151, 179966302, 359932604, 449915755, 899831510, 1799663020]

約数ペア:

[(1, 1799663020), (2, 899831510), (4, 449915755), (5, 359932604), (10, 179966302), (20, 89983151), (41, 43894220), (82, 21947110), (164, 10973555), (205, 8778844), (410, 4389422), (820, 2194711), (1109, 1622780), (1979, 909380), (2218, 811390), (3958, 454690), (4436, 405695), (5545, 324556), (7916, 227345), (9895, 181876), (11090, 162278), (19790, 90938), (22180, 81139), (39580, 45469)]