1389719210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{1663}}^1$

素因数の和:1859

約数の個数: 64

約数和(自身を含む): 2794881024

約数和(自身を除く): 1405161814

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 107, 110, 142, 214, 355, 535, 710, 781, 1070, 1177, 1562, 1663, 2354, 3326, 3905, 5885, 7597, 7810, 8315, 11770, 15194, 16630, 18293, 36586, 37985, 75970, 83567, 91465, 118073, 167134, 177941, 182930, 236146, 355882, 417835, 590365, 835670, 889705, 1180730, 1298803, 1779410, 1957351, 2597606, 3914702, 6494015, 9786755, 12633811, 12988030, 19573510, 25267622, 63169055, 126338110, 138971921, 277943842, 694859605, 1389719210]

約数ペア:

[(1, 1389719210), (2, 694859605), (5, 277943842), (10, 138971921), (11, 126338110), (22, 63169055), (55, 25267622), (71, 19573510), (107, 12988030), (110, 12633811), (142, 9786755), (214, 6494015), (355, 3914702), (535, 2597606), (710, 1957351), (781, 1779410), (1070, 1298803), (1177, 1180730), (1562, 889705), (1663, 835670), (2354, 590365), (3326, 417835), (3905, 355882), (5885, 236146), (7597, 182930), (7810, 177941), (8315, 167134), (11770, 118073), (15194, 91465), (16630, 83567), (18293, 75970), (36586, 37985)]