2080447490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{941}}^1$

素因数の和:1259

約数の個数: 64

約数和(自身を含む): 4150828800

約数和(自身を除く): 2070381310

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 199, 202, 398, 505, 941, 995, 1010, 1111, 1882, 1990, 2189, 2222, 4378, 4705, 5555, 9410, 10351, 10945, 11110, 20099, 20702, 21890, 40198, 51755, 95041, 100495, 103510, 187259, 190082, 200990, 221089, 374518, 442178, 475205, 936295, 950410, 1045451, 1105445, 1872590, 2059849, 2090902, 2210890, 4119698, 5227255, 10299245, 10454510, 18913159, 20598490, 37826318, 94565795, 189131590, 208044749, 416089498, 1040223745, 2080447490]

約数ペア:

[(1, 2080447490), (2, 1040223745), (5, 416089498), (10, 208044749), (11, 189131590), (22, 94565795), (55, 37826318), (101, 20598490), (110, 18913159), (199, 10454510), (202, 10299245), (398, 5227255), (505, 4119698), (941, 2210890), (995, 2090902), (1010, 2059849), (1111, 1872590), (1882, 1105445), (1990, 1045451), (2189, 950410), (2222, 936295), (4378, 475205), (4705, 442178), (5555, 374518), (9410, 221089), (10351, 200990), (10945, 190082), (11110, 187259), (20099, 103510), (20702, 100495), (21890, 95041), (40198, 51755)]