2178712840

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{185897}}^1$

素因数の和:186201

約数の個数: 32

約数和(自身を含む): 4918861080

約数和(自身を除く): 2740148240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 11720, 185897, 371794, 743588, 929485, 1487176, 1858970, 3717940, 7435880, 54467821, 108935642, 217871284, 272339105, 435742568, 544678210, 1089356420, 2178712840]

約数ペア:

[(1, 2178712840), (2, 1089356420), (4, 544678210), (5, 435742568), (8, 272339105), (10, 217871284), (20, 108935642), (40, 54467821), (293, 7435880), (586, 3717940), (1172, 1858970), (1465, 1487176), (2344, 929485), (2930, 743588), (5860, 371794), (11720, 185897)]