199405980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1107811}}^1$

素因数の和:1107826

約数の個数: 36

約数和(自身を含む): 604865352

約数和(自身を除く): 405459372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1107811, 2215622, 3323433, 4431244, 5539055, 6646866, 9970299, 11078110, 13293732, 16617165, 19940598, 22156220, 33234330, 39881196, 49851495, 66468660, 99702990, 199405980]

約数ペア:

[(1, 199405980), (2, 99702990), (3, 66468660), (4, 49851495), (5, 39881196), (6, 33234330), (9, 22156220), (10, 19940598), (12, 16617165), (15, 13293732), (18, 11078110), (20, 9970299), (30, 6646866), (36, 5539055), (45, 4431244), (60, 3323433), (90, 2215622), (180, 1107811)]