19938900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{66463}}^1$

素因数の和:66480

約数の個数: 36

約数和(自身を含む): 57690752

約数和(自身を除く): 37751852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 66463, 132926, 199389, 265852, 332315, 398778, 664630, 797556, 996945, 1329260, 1661575, 1993890, 3323150, 3987780, 4984725, 6646300, 9969450, 19938900]

約数ペア:

[(1, 19938900), (2, 9969450), (3, 6646300), (4, 4984725), (5, 3987780), (6, 3323150), (10, 1993890), (12, 1661575), (15, 1329260), (20, 996945), (25, 797556), (30, 664630), (50, 398778), (60, 332315), (75, 265852), (100, 199389), (150, 132926), (300, 66463)]