254000

素因数分解:

$2^4\times 5^3\times {\mathrm{127}}^1$

素因数の和:150

約数の個数: 40

約数和(自身を含む): 619008

約数和(自身を除く): 365008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 127, 200, 250, 254, 400, 500, 508, 635, 1000, 1016, 1270, 2000, 2032, 2540, 3175, 5080, 6350, 10160, 12700, 15875, 25400, 31750, 50800, 63500, 127000, 254000]

約数ペア:

[(1, 254000), (2, 127000), (4, 63500), (5, 50800), (8, 31750), (10, 25400), (16, 15875), (20, 12700), (25, 10160), (40, 6350), (50, 5080), (80, 3175), (100, 2540), (125, 2032), (127, 2000), (200, 1270), (250, 1016), (254, 1000), (400, 635), (500, 508)]