42857870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2803}}^1$

素因数の和:2960

約数の個数: 32

約数和(自身を含む): 84792960

約数和(自身を除く): 41935090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1529, 2803, 3058, 5606, 7645, 14015, 15290, 28030, 30833, 61666, 154165, 308330, 389617, 779234, 1948085, 3896170, 4285787, 8571574, 21428935, 42857870]

約数ペア:

[(1, 42857870), (2, 21428935), (5, 8571574), (10, 4285787), (11, 3896170), (22, 1948085), (55, 779234), (110, 389617), (139, 308330), (278, 154165), (695, 61666), (1390, 30833), (1529, 28030), (2803, 15290), (3058, 14015), (5606, 7645)]