207912100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{189011}}^1$

素因数の和:189036

約数の個数: 36

約数和(自身を含む): 492187248

約数和(自身を除く): 284275148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 189011, 378022, 756044, 945055, 1890110, 2079121, 3780220, 4158242, 4725275, 8316484, 9450550, 10395605, 18901100, 20791210, 41582420, 51978025, 103956050, 207912100]

約数ペア:

[(1, 207912100), (2, 103956050), (4, 51978025), (5, 41582420), (10, 20791210), (11, 18901100), (20, 10395605), (22, 9450550), (25, 8316484), (44, 4725275), (50, 4158242), (55, 3780220), (100, 2079121), (110, 1890110), (220, 945055), (275, 756044), (550, 378022), (1100, 189011)]