3958020

素因数分解:

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

素因数の和:2025

約数の個数: 72

約数和(自身を含む): 13104000

約数和(自身を除く): 9145980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 1999, 3998, 5997, 7996, 9995, 11994, 17991, 19990, 21989, 23988, 29985, 35982, 39980, 43978, 59970, 65967, 71964, 87956, 89955, 109945, 119940, 131934, 179910, 197901, 219890, 263868, 329835, 359820, 395802, 439780, 659670, 791604, 989505, 1319340, 1979010, 3958020]

約数ペア:

[(1, 3958020), (2, 1979010), (3, 1319340), (4, 989505), (5, 791604), (6, 659670), (9, 439780), (10, 395802), (11, 359820), (12, 329835), (15, 263868), (18, 219890), (20, 197901), (22, 179910), (30, 131934), (33, 119940), (36, 109945), (44, 89955), (45, 87956), (55, 71964), (60, 65967), (66, 59970), (90, 43978), (99, 39980), (110, 35982), (132, 29985), (165, 23988), (180, 21989), (198, 19990), (220, 17991), (330, 11994), (396, 9995), (495, 7996), (660, 5997), (990, 3998), (1980, 1999)]