199025860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{904663}}^1$

素因数の和:904683

約数の個数: 24

約数和(自身を含む): 455950656

約数和(自身を除く): 256924796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 904663, 1809326, 3618652, 4523315, 9046630, 9951293, 18093260, 19902586, 39805172, 49756465, 99512930, 199025860]

約数ペア:

[(1, 199025860), (2, 99512930), (4, 49756465), (5, 39805172), (10, 19902586), (11, 18093260), (20, 9951293), (22, 9046630), (44, 4523315), (55, 3618652), (110, 1809326), (220, 904663)]