338705740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{129277}}^1$

素因数の和:129417

約数の個数: 24

約数和(自身を含む): 716717232

約数和(自身を除く): 378011492

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 129277, 258554, 517108, 646385, 1292770, 2585540, 16935287, 33870574, 67741148, 84676435, 169352870, 338705740]

約数ペア:

[(1, 338705740), (2, 169352870), (4, 84676435), (5, 67741148), (10, 33870574), (20, 16935287), (131, 2585540), (262, 1292770), (524, 646385), (655, 517108), (1310, 258554), (2620, 129277)]