380806000

素因数分解:

$2^4\times 5^3\times {\mathrm{190403}}^1$

素因数の和:190426

約数の個数: 40

約数和(自身を含む): 920793744

約数和(自身を除く): 539987744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 190403, 380806, 761612, 952015, 1523224, 1904030, 3046448, 3808060, 4760075, 7616120, 9520150, 15232240, 19040300, 23800375, 38080600, 47600750, 76161200, 95201500, 190403000, 380806000]

約数ペア:

[(1, 380806000), (2, 190403000), (4, 95201500), (5, 76161200), (8, 47600750), (10, 38080600), (16, 23800375), (20, 19040300), (25, 15232240), (40, 9520150), (50, 7616120), (80, 4760075), (100, 3808060), (125, 3046448), (200, 1904030), (250, 1523224), (400, 952015), (500, 761612), (1000, 380806), (2000, 190403)]