2199990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5641}}^1$

素因数の和:5664

約数の個数: 32

約数和(自身を含む): 5687136

約数和(自身を除く): 3487146

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 5641, 11282, 16923, 28205, 33846, 56410, 73333, 84615, 146666, 169230, 219999, 366665, 439998, 733330, 1099995, 2199990]

約数ペア:

[(1, 2199990), (2, 1099995), (3, 733330), (5, 439998), (6, 366665), (10, 219999), (13, 169230), (15, 146666), (26, 84615), (30, 73333), (39, 56410), (65, 33846), (78, 28205), (130, 16923), (195, 11282), (390, 5641)]