2009790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 5295888

約数和(自身を除く): 3286098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 137, 163, 274, 326, 411, 489, 685, 815, 822, 978, 1233, 1370, 1467, 1630, 2055, 2445, 2466, 2934, 4110, 4890, 6165, 7335, 12330, 14670, 22331, 44662, 66993, 111655, 133986, 200979, 223310, 334965, 401958, 669930, 1004895, 2009790]

約数ペア:

[(1, 2009790), (2, 1004895), (3, 669930), (5, 401958), (6, 334965), (9, 223310), (10, 200979), (15, 133986), (18, 111655), (30, 66993), (45, 44662), (90, 22331), (137, 14670), (163, 12330), (274, 7335), (326, 6165), (411, 4890), (489, 4110), (685, 2934), (815, 2466), (822, 2445), (978, 2055), (1233, 1630), (1370, 1467)]