550340840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1965503}}^1$

素因数の和:1965521

約数の個数: 32

約数和(自身を含む): 1415162880

約数和(自身を除く): 864822040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1965503, 3931006, 7862012, 9827515, 13758521, 15724024, 19655030, 27517042, 39310060, 55034084, 68792605, 78620120, 110068168, 137585210, 275170420, 550340840]

約数ペア:

[(1, 550340840), (2, 275170420), (4, 137585210), (5, 110068168), (7, 78620120), (8, 68792605), (10, 55034084), (14, 39310060), (20, 27517042), (28, 19655030), (35, 15724024), (40, 13758521), (56, 9827515), (70, 7862012), (140, 3931006), (280, 1965503)]