897768140

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{275389}}^1$

素因数の和:275561

約数の個数: 24

約数和(自身を含む): 1896886320

約数和(自身を除く): 999118180

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 275389, 550778, 1101556, 1376945, 2753890, 5507780, 44888407, 89776814, 179553628, 224442035, 448884070, 897768140]

約数ペア:

[(1, 897768140), (2, 448884070), (4, 224442035), (5, 179553628), (10, 89776814), (20, 44888407), (163, 5507780), (326, 2753890), (652, 1376945), (815, 1101556), (1630, 550778), (3260, 275389)]