799508740

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{202921}}^1$

素因数の和:203127

約数の個数: 24

約数和(自身を含む): 1687499352

約数和(自身を除く): 887990612

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 202921, 405842, 811684, 1014605, 2029210, 4058420, 39975437, 79950874, 159901748, 199877185, 399754370, 799508740]

約数ペア:

[(1, 799508740), (2, 399754370), (4, 199877185), (5, 159901748), (10, 79950874), (20, 39975437), (197, 4058420), (394, 2029210), (788, 1014605), (985, 811684), (1970, 405842), (3940, 202921)]