219316280

素因数分解:

$2^3\times 5^1\times {\mathrm{5482907}}^1$

素因数の和:5482918

約数の個数: 16

約数和(自身を含む): 493461720

約数和(自身を除く): 274145440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5482907, 10965814, 21931628, 27414535, 43863256, 54829070, 109658140, 219316280]

約数ペア:

[(1, 219316280), (2, 109658140), (4, 54829070), (5, 43863256), (8, 27414535), (10, 21931628), (20, 10965814), (40, 5482907)]