77889140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{556351}}^1$

素因数の和:556367

約数の個数: 24

約数和(自身を含む): 186934272

約数和(自身を除く): 109045132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 556351, 1112702, 2225404, 2781755, 3894457, 5563510, 7788914, 11127020, 15577828, 19472285, 38944570, 77889140]

約数ペア:

[(1, 77889140), (2, 38944570), (4, 19472285), (5, 15577828), (7, 11127020), (10, 7788914), (14, 5563510), (20, 3894457), (28, 2781755), (35, 2225404), (70, 1112702), (140, 556351)]