2190542.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71293}}^1$

素因数の和:71315

約数の個数: 32

約数和(自身を含む): 76997520

約数和(自身を除く): 45628600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 71293, 142586, 285172, 356465, 570344, 712930, 784223, 1425860, 1568446, 2851720, 3136892, 3921115, 6273784, 7842230, 15684460, 31368920]

約数ペア:

[(1, 31368920), (2, 15684460), (4, 7842230), (5, 6273784), (8, 3921115), (10, 3136892), (11, 2851720), (20, 1568446), (22, 1425860), (40, 784223), (44, 712930), (55, 570344), (88, 356465), (110, 285172), (220, 142586), (440, 71293)]