206857640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{470131}}^1$

素因数の和:470153

約数の個数: 32

約数和(自身を含む): 507742560

約数和(自身を除く): 300884920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 470131, 940262, 1880524, 2350655, 3761048, 4701310, 5171441, 9402620, 10342882, 18805240, 20685764, 25857205, 41371528, 51714410, 103428820, 206857640]

約数ペア:

[(1, 206857640), (2, 103428820), (4, 51714410), (5, 41371528), (8, 25857205), (10, 20685764), (11, 18805240), (20, 10342882), (22, 9402620), (40, 5171441), (44, 4701310), (55, 3761048), (88, 2350655), (110, 1880524), (220, 940262), (440, 470131)]