208078403890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2972548627}}^1$

素因数の和:2972548641

約数の個数: 16

約数和(自身を含む): 428047002432

約数和(自身を除く): 219968598542

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2972548627, 5945097254, 14862743135, 20807840389, 29725486270, 41615680778, 104039201945, 208078403890]

約数ペア:

[(1, 208078403890), (2, 104039201945), (5, 41615680778), (7, 29725486270), (10, 20807840389), (14, 14862743135), (35, 5945097254), (70, 2972548627)]