138932090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{17789}}^1$

素因数の和:17878

約数の個数: 32

約数和(自身を含む): 276670080

約数和(自身を除く): 137737990

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 17789, 35578, 88945, 177890, 195679, 391358, 978395, 1263019, 1956790, 2526038, 6315095, 12630190, 13893209, 27786418, 69466045, 138932090]

約数ペア:

[(1, 138932090), (2, 69466045), (5, 27786418), (10, 13893209), (11, 12630190), (22, 6315095), (55, 2526038), (71, 1956790), (110, 1263019), (142, 978395), (355, 391358), (710, 195679), (781, 177890), (1562, 88945), (3905, 35578), (7810, 17789)]