78986710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1439}}^1$

素因数の和:1956

約数の個数: 32

約数和(自身を含む): 155520000

約数和(自身を除く): 76533290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 499, 998, 1439, 2495, 2878, 4990, 5489, 7195, 10978, 14390, 15829, 27445, 31658, 54890, 79145, 158290, 718061, 1436122, 3590305, 7180610, 7898671, 15797342, 39493355, 78986710]

約数ペア:

[(1, 78986710), (2, 39493355), (5, 15797342), (10, 7898671), (11, 7180610), (22, 3590305), (55, 1436122), (110, 718061), (499, 158290), (998, 79145), (1439, 54890), (2495, 31658), (2878, 27445), (4990, 15829), (5489, 14390), (7195, 10978)]