353184820

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{68713}}^1$

素因数の和:68979

約数の個数: 24

約数和(自身を含む): 744584904

約数和(自身を除く): 391400084

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 68713, 137426, 274852, 343565, 687130, 1374260, 17659241, 35318482, 70636964, 88296205, 176592410, 353184820]

約数ペア:

[(1, 353184820), (2, 176592410), (4, 88296205), (5, 70636964), (10, 35318482), (20, 17659241), (257, 1374260), (514, 687130), (1028, 343565), (1285, 274852), (2570, 137426), (5140, 68713)]