289326340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{352837}}^1$

素因数の和:352887

約数の個数: 24

約数和(自身を含む): 622406232

約数和(自身を除く): 333079892

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 352837, 705674, 1411348, 1764185, 3528370, 7056740, 14466317, 28932634, 57865268, 72331585, 144663170, 289326340]

約数ペア:

[(1, 289326340), (2, 144663170), (4, 72331585), (5, 57865268), (10, 28932634), (20, 14466317), (41, 7056740), (82, 3528370), (164, 1764185), (205, 1411348), (410, 705674), (820, 352837)]