208049390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{190871}}^1$

素因数の和:190987

約数の個数: 16

約数和(自身を含む): 377926560

約数和(自身を除く): 169877170

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 190871, 381742, 954355, 1908710, 20804939, 41609878, 104024695, 208049390]

約数ペア:

[(1, 208049390), (2, 104024695), (5, 41609878), (10, 20804939), (109, 1908710), (218, 954355), (545, 381742), (1090, 190871)]