127786970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{15641}}^1$

素因数の和:15710

約数の個数: 32

約数和(自身を含む): 247769280

約数和(自身を除く): 119982310

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 15641, 31282, 78205, 156410, 297179, 594358, 672563, 1345126, 1485895, 2971790, 3362815, 6725630, 12778697, 25557394, 63893485, 127786970]

約数ペア:

[(1, 127786970), (2, 63893485), (5, 25557394), (10, 12778697), (19, 6725630), (38, 3362815), (43, 2971790), (86, 1485895), (95, 1345126), (190, 672563), (215, 594358), (430, 297179), (817, 156410), (1634, 78205), (4085, 31282), (8170, 15641)]