280850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:190

約数の個数: 24

約数和(自身を含む): 539028

約数和(自身を除く): 258178

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 137, 205, 274, 410, 685, 1025, 1370, 2050, 3425, 5617, 6850, 11234, 28085, 56170, 140425, 280850]

約数ペア:

[(1, 280850), (2, 140425), (5, 56170), (10, 28085), (25, 11234), (41, 6850), (50, 5617), (82, 3425), (137, 2050), (205, 1370), (274, 1025), (410, 685)]