7850780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8011}}^1$

素因数の和:8034

約数の個数: 36

約数和(自身を含む): 19180728

約数和(自身を除く): 11329948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8011, 16022, 32044, 40055, 56077, 80110, 112154, 160220, 224308, 280385, 392539, 560770, 785078, 1121540, 1570156, 1962695, 3925390, 7850780]

約数ペア:

[(1, 7850780), (2, 3925390), (4, 1962695), (5, 1570156), (7, 1121540), (10, 785078), (14, 560770), (20, 392539), (28, 280385), (35, 224308), (49, 160220), (70, 112154), (98, 80110), (140, 56077), (196, 40055), (245, 32044), (490, 16022), (980, 8011)]