218796790

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{200731}}^1$

素因数の和:200847

約数の個数: 16

約数和(自身を含む): 397449360

約数和(自身を除く): 178652570

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 200731, 401462, 1003655, 2007310, 21879679, 43759358, 109398395, 218796790]

約数ペア:

[(1, 218796790), (2, 109398395), (5, 43759358), (10, 21879679), (109, 2007310), (218, 1003655), (545, 401462), (1090, 200731)]