198204440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{707873}}^1$

素因数の和:707891

約数の個数: 32

約数和(自身を含む): 509669280

約数和(自身を除く): 311464840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 707873, 1415746, 2831492, 3539365, 4955111, 5662984, 7078730, 9910222, 14157460, 19820444, 24775555, 28314920, 39640888, 49551110, 99102220, 198204440]

約数ペア:

[(1, 198204440), (2, 99102220), (4, 49551110), (5, 39640888), (7, 28314920), (8, 24775555), (10, 19820444), (14, 14157460), (20, 9910222), (28, 7078730), (35, 5662984), (40, 4955111), (56, 3539365), (70, 2831492), (140, 1415746), (280, 707873)]