199665720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{554627}}^1$

素因数の和:554644

約数の個数: 48

約数和(自身を含む): 648914760

約数和(自身を除く): 449249040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 554627, 1109254, 1663881, 2218508, 2773135, 3327762, 4437016, 4991643, 5546270, 6655524, 8319405, 9983286, 11092540, 13311048, 16638810, 19966572, 22185080, 24958215, 33277620, 39933144, 49916430, 66555240, 99832860, 199665720]

約数ペア:

[(1, 199665720), (2, 99832860), (3, 66555240), (4, 49916430), (5, 39933144), (6, 33277620), (8, 24958215), (9, 22185080), (10, 19966572), (12, 16638810), (15, 13311048), (18, 11092540), (20, 9983286), (24, 8319405), (30, 6655524), (36, 5546270), (40, 4991643), (45, 4437016), (60, 3327762), (72, 2773135), (90, 2218508), (120, 1663881), (180, 1109254), (360, 554627)]