290290945

素因数分解:

$5^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{2699}}^1$

素因数の和:3157

約数の個数: 24

約数和(自身を含む): 406296000

約数和(自身を除く): 116005055

約数列:

[1, 5, 7, 35, 49, 245, 439, 2195, 2699, 3073, 13495, 15365, 18893, 21511, 94465, 107555, 132251, 661255, 1184861, 5924305, 8294027, 41470135, 58058189, 290290945]

約数ペア:

[(1, 290290945), (5, 58058189), (7, 41470135), (35, 8294027), (49, 5924305), (245, 1184861), (439, 661255), (2195, 132251), (2699, 107555), (3073, 94465), (13495, 21511), (15365, 18893)]