137908820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{985063}}^1$

素因数の和:985079

約数の個数: 24

約数和(自身を含む): 330981504

約数和(自身を除く): 193072684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 985063, 1970126, 3940252, 4925315, 6895441, 9850630, 13790882, 19701260, 27581764, 34477205, 68954410, 137908820]

約数ペア:

[(1, 137908820), (2, 68954410), (4, 34477205), (5, 27581764), (7, 19701260), (10, 13790882), (14, 9850630), (20, 6895441), (28, 4925315), (35, 3940252), (70, 1970126), (140, 985063)]