42643810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2789}}^1$

素因数の和:2946

約数の個数: 32

約数和(自身を含む): 84369600

約数和(自身を除く): 41725790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1529, 2789, 3058, 5578, 7645, 13945, 15290, 27890, 30679, 61358, 153395, 306790, 387671, 775342, 1938355, 3876710, 4264381, 8528762, 21321905, 42643810]

約数ペア:

[(1, 42643810), (2, 21321905), (5, 8528762), (10, 4264381), (11, 3876710), (22, 1938355), (55, 775342), (110, 387671), (139, 306790), (278, 153395), (695, 61358), (1390, 30679), (1529, 27890), (2789, 15290), (3058, 13945), (5578, 7645)]