28484260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{203459}}^1$

素因数の和:203475

約数の個数: 24

約数和(自身を含む): 68362560

約数和(自身を除く): 39878300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 203459, 406918, 813836, 1017295, 1424213, 2034590, 2848426, 4069180, 5696852, 7121065, 14242130, 28484260]

約数ペア:

[(1, 28484260), (2, 14242130), (4, 7121065), (5, 5696852), (7, 4069180), (10, 2848426), (14, 2034590), (20, 1424213), (28, 1017295), (35, 813836), (70, 406918), (140, 203459)]