2161571500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{393013}}^1$

素因数の和:393043

約数の個数: 48

約数和(自身を含む): 5150055456

約数和(自身を除く): 2988483956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2750, 5500, 393013, 786026, 1572052, 1965065, 3930130, 4323143, 7860260, 8646286, 9825325, 17292572, 19650650, 21615715, 39301300, 43231430, 49126625, 86462860, 98253250, 108078575, 196506500, 216157150, 432314300, 540392875, 1080785750, 2161571500]

約数ペア:

[(1, 2161571500), (2, 1080785750), (4, 540392875), (5, 432314300), (10, 216157150), (11, 196506500), (20, 108078575), (22, 98253250), (25, 86462860), (44, 49126625), (50, 43231430), (55, 39301300), (100, 21615715), (110, 19650650), (125, 17292572), (220, 9825325), (250, 8646286), (275, 7860260), (500, 4323143), (550, 3930130), (1100, 1965065), (1375, 1572052), (2750, 786026), (5500, 393013)]