78836380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{563117}}^1$

素因数の和:563133

約数の個数: 24

約数和(自身を含む): 189207648

約数和(自身を除く): 110371268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563117, 1126234, 2252468, 2815585, 3941819, 5631170, 7883638, 11262340, 15767276, 19709095, 39418190, 78836380]

約数ペア:

[(1, 78836380), (2, 39418190), (4, 19709095), (5, 15767276), (7, 11262340), (10, 7883638), (14, 5631170), (20, 3941819), (28, 2815585), (35, 2252468), (70, 1126234), (140, 563117)]