78812090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{160841}}^1$

素因数の和:160862

約数の個数: 24

約数和(自身を含む): 165023892

約数和(自身を除く): 86211802

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 160841, 321682, 804205, 1125887, 1608410, 2251774, 5629435, 7881209, 11258870, 15762418, 39406045, 78812090]

約数ペア:

[(1, 78812090), (2, 39406045), (5, 15762418), (7, 11258870), (10, 7881209), (14, 5629435), (35, 2251774), (49, 1608410), (70, 1125887), (98, 804205), (245, 321682), (490, 160841)]