169919690

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{190921}}^1$

素因数の和:191017

約数の個数: 16

約数和(自身を含む): 309293640

約数和(自身を除く): 139373950

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 190921, 381842, 954605, 1909210, 16991969, 33983938, 84959845, 169919690]

約数ペア:

[(1, 169919690), (2, 84959845), (5, 33983938), (10, 16991969), (89, 1909210), (178, 954605), (445, 381842), (890, 190921)]