1979010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1999}}^1$

素因数の和:2023

約数の個数: 48

約数和(自身を含む): 5616000

約数和(自身を除く): 3636990

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 1999, 3998, 5997, 9995, 11994, 17991, 19990, 21989, 29985, 35982, 43978, 59970, 65967, 89955, 109945, 131934, 179910, 197901, 219890, 329835, 395802, 659670, 989505, 1979010]

約数ペア:

[(1, 1979010), (2, 989505), (3, 659670), (5, 395802), (6, 329835), (9, 219890), (10, 197901), (11, 179910), (15, 131934), (18, 109945), (22, 89955), (30, 65967), (33, 59970), (45, 43978), (55, 35982), (66, 29985), (90, 21989), (99, 19990), (110, 17991), (165, 11994), (198, 9995), (330, 5997), (495, 3998), (990, 1999)]