85270780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{87011}}^1$

素因数の和:87034

約数の個数: 36

約数和(自身を含む): 208306728

約数和(自身を除く): 123035948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 87011, 174022, 348044, 435055, 609077, 870110, 1218154, 1740220, 2436308, 3045385, 4263539, 6090770, 8527078, 12181540, 17054156, 21317695, 42635390, 85270780]

約数ペア:

[(1, 85270780), (2, 42635390), (4, 21317695), (5, 17054156), (7, 12181540), (10, 8527078), (14, 6090770), (20, 4263539), (28, 3045385), (35, 2436308), (49, 1740220), (70, 1218154), (98, 870110), (140, 609077), (196, 435055), (245, 348044), (490, 174022), (980, 87011)]