197888290

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{195929}}^1$

素因数の和:196037

約数の個数: 16

約数和(自身を含む): 359727480

約数和(自身を除く): 161839190

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 195929, 391858, 979645, 1959290, 19788829, 39577658, 98944145, 197888290]

約数ペア:

[(1, 197888290), (2, 98944145), (5, 39577658), (10, 19788829), (101, 1959290), (202, 979645), (505, 391858), (1010, 195929)]