2505690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2531}}^1$

素因数の和:2555

約数の個数: 48

約数和(自身を含む): 7109856

約数和(自身を除く): 4604166

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, 2531, 5062, 7593, 12655, 15186, 22779, 25310, 27841, 37965, 45558, 55682, 75930, 83523, 113895, 139205, 167046, 227790, 250569, 278410, 417615, 501138, 835230, 1252845, 2505690]

約数ペア:

[(1, 2505690), (2, 1252845), (3, 835230), (5, 501138), (6, 417615), (9, 278410), (10, 250569), (11, 227790), (15, 167046), (18, 139205), (22, 113895), (30, 83523), (33, 75930), (45, 55682), (55, 45558), (66, 37965), (90, 27841), (99, 25310), (110, 22779), (165, 15186), (198, 12655), (330, 7593), (495, 5062), (990, 2531)]