199636870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{688403}}^1$

素因数の和:688439

約数の個数: 16

約数和(自身を含む): 371738160

約数和(自身を除く): 172101290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 688403, 1376806, 3442015, 6884030, 19963687, 39927374, 99818435, 199636870]

約数ペア:

[(1, 199636870), (2, 99818435), (5, 39927374), (10, 19963687), (29, 6884030), (58, 3442015), (145, 1376806), (290, 688403)]