139736380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{998117}}^1$

素因数の和:998133

約数の個数: 24

約数和(自身を含む): 335367648

約数和(自身を除く): 195631268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 998117, 1996234, 3992468, 4990585, 6986819, 9981170, 13973638, 19962340, 27947276, 34934095, 69868190, 139736380]

約数ペア:

[(1, 139736380), (2, 69868190), (4, 34934095), (5, 27947276), (7, 19962340), (10, 13973638), (14, 9981170), (20, 6986819), (28, 4990585), (35, 3992468), (70, 1996234), (140, 998117)]