280557676

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{149551}}^1$

素因数の和:149629

約数の個数: 24

約数和(自身を含む): 569494016

約数和(自身を除く): 288936340

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 149551, 299102, 598204, 1046857, 2093714, 4187428, 10019917, 20039834, 40079668, 70139419, 140278838, 280557676]

約数ペア:

[(1, 280557676), (2, 140278838), (4, 70139419), (7, 40079668), (14, 20039834), (28, 10019917), (67, 4187428), (134, 2093714), (268, 1046857), (469, 598204), (938, 299102), (1876, 149551)]