86165660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1979}}^1$

素因数の和:2306

約数の個数: 48

約数和(自身を含む): 207567360

約数和(自身を除く): 121401700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 1244, 1555, 1979, 2177, 3110, 3958, 4354, 6220, 7916, 8708, 9895, 10885, 13853, 19790, 21770, 27706, 39580, 43540, 55412, 69265, 138530, 277060, 615469, 1230938, 2461876, 3077345, 4308283, 6154690, 8616566, 12309380, 17233132, 21541415, 43082830, 86165660]

約数ペア:

[(1, 86165660), (2, 43082830), (4, 21541415), (5, 17233132), (7, 12309380), (10, 8616566), (14, 6154690), (20, 4308283), (28, 3077345), (35, 2461876), (70, 1230938), (140, 615469), (311, 277060), (622, 138530), (1244, 69265), (1555, 55412), (1979, 43540), (2177, 39580), (3110, 27706), (3958, 21770), (4354, 19790), (6220, 13853), (7916, 10885), (8708, 9895)]