199890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{2221}}^1$

素因数の和:2234

約数の個数: 24

約数和(自身を含む): 519948

約数和(自身を除く): 320058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2221, 4442, 6663, 11105, 13326, 19989, 22210, 33315, 39978, 66630, 99945, 199890]

約数ペア:

[(1, 199890), (2, 99945), (3, 66630), (5, 39978), (6, 33315), (9, 22210), (10, 19989), (15, 13326), (18, 11105), (30, 6663), (45, 4442), (90, 2221)]