978703870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{8011}}^1$

素因数の和:8680

約数の個数: 32

約数和(自身を含む): 1857502080

約数和(自身を除く): 878798210

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 643, 1286, 3215, 6430, 8011, 12217, 16022, 24434, 40055, 61085, 80110, 122170, 152209, 304418, 761045, 1522090, 5151073, 10302146, 25755365, 51510730, 97870387, 195740774, 489351935, 978703870]

約数ペア:

[(1, 978703870), (2, 489351935), (5, 195740774), (10, 97870387), (19, 51510730), (38, 25755365), (95, 10302146), (190, 5151073), (643, 1522090), (1286, 761045), (3215, 304418), (6430, 152209), (8011, 122170), (12217, 80110), (16022, 61085), (24434, 40055)]