201211223030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7643}}^1\times {\mathrm{138559}}^1$

素因数の和:146228

約数の個数: 32

約数和(自身を含む): 381294950400

約数和(自身を除く): 180083727370

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 7643, 15286, 38215, 76430, 138559, 145217, 277118, 290434, 692795, 726085, 1385590, 1452170, 2632621, 5265242, 13163105, 26326210, 1059006437, 2118012874, 5295032185, 10590064370, 20121122303, 40242244606, 100605611515, 201211223030]

約数ペア:

[(1, 201211223030), (2, 100605611515), (5, 40242244606), (10, 20121122303), (19, 10590064370), (38, 5295032185), (95, 2118012874), (190, 1059006437), (7643, 26326210), (15286, 13163105), (38215, 5265242), (76430, 2632621), (138559, 1452170), (145217, 1385590), (277118, 726085), (290434, 692795)]