199415880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{553933}}^1$

素因数の和:553950

約数の個数: 48

約数和(自身を含む): 648102780

約数和(自身を除く): 448686900

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, 553933, 1107866, 1661799, 2215732, 2769665, 3323598, 4431464, 4985397, 5539330, 6647196, 8308995, 9970794, 11078660, 13294392, 16617990, 19941588, 22157320, 24926985, 33235980, 39883176, 49853970, 66471960, 99707940, 199415880]

約数ペア:

[(1, 199415880), (2, 99707940), (3, 66471960), (4, 49853970), (5, 39883176), (6, 33235980), (8, 24926985), (9, 22157320), (10, 19941588), (12, 16617990), (15, 13294392), (18, 11078660), (20, 9970794), (24, 8308995), (30, 6647196), (36, 5539330), (40, 4985397), (45, 4431464), (60, 3323598), (72, 2769665), (90, 2215732), (120, 1661799), (180, 1107866), (360, 553933)]