978387080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2223607}}^1$

素因数の和:2223629

約数の個数: 32

約数和(自身を含む): 2401496640

約数和(自身を除く): 1423109560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2223607, 4447214, 8894428, 11118035, 17788856, 22236070, 24459677, 44472140, 48919354, 88944280, 97838708, 122298385, 195677416, 244596770, 489193540, 978387080]

約数ペア:

[(1, 978387080), (2, 489193540), (4, 244596770), (5, 195677416), (8, 122298385), (10, 97838708), (11, 88944280), (20, 48919354), (22, 44472140), (40, 24459677), (44, 22236070), (55, 17788856), (88, 11118035), (110, 8894428), (220, 4447214), (440, 2223607)]