2138950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{3889}}^1$

素因数の和:3912

約数の個数: 24

約数和(自身を含む): 4341240

約数和(自身を除く): 2202290

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 3889, 7778, 19445, 38890, 42779, 85558, 97225, 194450, 213895, 427790, 1069475, 2138950]

約数ペア:

[(1, 2138950), (2, 1069475), (5, 427790), (10, 213895), (11, 194450), (22, 97225), (25, 85558), (50, 42779), (55, 38890), (110, 19445), (275, 7778), (550, 3889)]