187268440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{108877}}^1$

素因数の和:108931

約数の個数: 32

約数和(自身を含む): 431156880

約数和(自身を除く): 243888440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 108877, 217754, 435508, 544385, 871016, 1088770, 2177540, 4355080, 4681711, 9363422, 18726844, 23408555, 37453688, 46817110, 93634220, 187268440]

約数ペア:

[(1, 187268440), (2, 93634220), (4, 46817110), (5, 37453688), (8, 23408555), (10, 18726844), (20, 9363422), (40, 4681711), (43, 4355080), (86, 2177540), (172, 1088770), (215, 871016), (344, 544385), (430, 435508), (860, 217754), (1720, 108877)]