910220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 1941408

約数和(自身を除く): 1031188

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 641, 710, 1282, 1420, 2564, 3205, 6410, 12820, 45511, 91022, 182044, 227555, 455110, 910220]

約数ペア:

[(1, 910220), (2, 455110), (4, 227555), (5, 182044), (10, 91022), (20, 45511), (71, 12820), (142, 6410), (284, 3205), (355, 2564), (641, 1420), (710, 1282)]