278519161780

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1109}}^1\times {\mathrm{40903}}^1$

素因数の和:42328

約数の個数: 48

約数和(自身を含む): 587338899840

約数和(自身を除く): 308819738060

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1109, 1228, 1535, 2218, 3070, 4436, 5545, 6140, 11090, 22180, 40903, 81806, 163612, 204515, 340463, 409030, 680926, 818060, 1361852, 1702315, 3404630, 6809260, 12557221, 25114442, 45361427, 50228884, 62786105, 90722854, 125572210, 181445708, 226807135, 251144420, 453614270, 907228540, 13925958089, 27851916178, 55703832356, 69629790445, 139259580890, 278519161780]

約数ペア:

[(1, 278519161780), (2, 139259580890), (4, 69629790445), (5, 55703832356), (10, 27851916178), (20, 13925958089), (307, 907228540), (614, 453614270), (1109, 251144420), (1228, 226807135), (1535, 181445708), (2218, 125572210), (3070, 90722854), (4436, 62786105), (5545, 50228884), (6140, 45361427), (11090, 25114442), (22180, 12557221), (40903, 6809260), (81806, 3404630), (163612, 1702315), (204515, 1361852), (340463, 818060), (409030, 680926)]