290147210

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{208739}}^1$

素因数の和:208885

約数の個数: 16

約数和(自身を含む): 526024800

約数和(自身を除く): 235877590

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 208739, 417478, 1043695, 2087390, 29014721, 58029442, 145073605, 290147210]

約数ペア:

[(1, 290147210), (2, 145073605), (5, 58029442), (10, 29014721), (139, 2087390), (278, 1043695), (695, 417478), (1390, 208739)]