505890990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{511001}}^1$

素因数の和:511025

約数の個数: 48

約数和(自身を含む): 1434893616

約数和(自身を除く): 929002626

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, 511001, 1022002, 1533003, 2555005, 3066006, 4599009, 5110010, 5621011, 7665015, 9198018, 11242022, 15330030, 16863033, 22995045, 28105055, 33726066, 45990090, 50589099, 56210110, 84315165, 101178198, 168630330, 252945495, 505890990]

約数ペア:

[(1, 505890990), (2, 252945495), (3, 168630330), (5, 101178198), (6, 84315165), (9, 56210110), (10, 50589099), (11, 45990090), (15, 33726066), (18, 28105055), (22, 22995045), (30, 16863033), (33, 15330030), (45, 11242022), (55, 9198018), (66, 7665015), (90, 5621011), (99, 5110010), (110, 4599009), (165, 3066006), (198, 2555005), (330, 1533003), (495, 1022002), (990, 511001)]