198309240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{550859}}^1$

素因数の和:550876

約数の個数: 48

約数和(自身を含む): 644506200

約数和(自身を除く): 446196960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 550859, 1101718, 1652577, 2203436, 2754295, 3305154, 4406872, 4957731, 5508590, 6610308, 8262885, 9915462, 11017180, 13220616, 16525770, 19830924, 22034360, 24788655, 33051540, 39661848, 49577310, 66103080, 99154620, 198309240]

約数ペア:

[(1, 198309240), (2, 99154620), (3, 66103080), (4, 49577310), (5, 39661848), (6, 33051540), (8, 24788655), (9, 22034360), (10, 19830924), (12, 16525770), (15, 13220616), (18, 11017180), (20, 9915462), (24, 8262885), (30, 6610308), (36, 5508590), (40, 4957731), (45, 4406872), (60, 3305154), (72, 2754295), (90, 2203436), (120, 1652577), (180, 1101718), (360, 550859)]