7773220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4271}}^1$

素因数の和:4300

約数の個数: 48

約数和(自身を含む): 20095488

約数和(自身を除く): 12322268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4271, 8542, 17084, 21355, 29897, 42710, 55523, 59794, 85420, 111046, 119588, 149485, 222092, 277615, 298970, 388661, 555230, 597940, 777322, 1110460, 1554644, 1943305, 3886610, 7773220]

約数ペア:

[(1, 7773220), (2, 3886610), (4, 1943305), (5, 1554644), (7, 1110460), (10, 777322), (13, 597940), (14, 555230), (20, 388661), (26, 298970), (28, 277615), (35, 222092), (52, 149485), (65, 119588), (70, 111046), (91, 85420), (130, 59794), (140, 55523), (182, 42710), (260, 29897), (364, 21355), (455, 17084), (910, 8542), (1820, 4271)]