996826820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{22769}}^1$

素因数の和:22988

約数の個数: 48

約数和(自身を含む): 2295216000

約数和(自身を除く): 1298389180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1990, 2189, 3980, 4378, 8756, 10945, 21890, 22769, 43780, 45538, 91076, 113845, 227690, 250459, 455380, 500918, 1001836, 1252295, 2504590, 4531031, 5009180, 9062062, 18124124, 22655155, 45310310, 49841341, 90620620, 99682682, 199365364, 249206705, 498413410, 996826820]

約数ペア:

[(1, 996826820), (2, 498413410), (4, 249206705), (5, 199365364), (10, 99682682), (11, 90620620), (20, 49841341), (22, 45310310), (44, 22655155), (55, 18124124), (110, 9062062), (199, 5009180), (220, 4531031), (398, 2504590), (796, 1252295), (995, 1001836), (1990, 500918), (2189, 455380), (3980, 250459), (4378, 227690), (8756, 113845), (10945, 91076), (21890, 45538), (22769, 43780)]