389939110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{86461}}^1$

素因数の和:86520

約数の個数: 32

約数和(自身を含む): 784383264

約数和(自身を除く): 394444154

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 86461, 172922, 432305, 864610, 951071, 1902142, 3544901, 4755355, 7089802, 9510710, 17724505, 35449010, 38993911, 77987822, 194969555, 389939110]

約数ペア:

[(1, 389939110), (2, 194969555), (5, 77987822), (10, 38993911), (11, 35449010), (22, 17724505), (41, 9510710), (55, 7089802), (82, 4755355), (110, 3544901), (205, 1902142), (410, 951071), (451, 864610), (902, 432305), (2255, 172922), (4510, 86461)]