157319780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{271241}}^1$

素因数の和:271279

約数の個数: 24

約数和(自身を含む): 341764920

約数和(自身を除く): 184445140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 271241, 542482, 1084964, 1356205, 2712410, 5424820, 7865989, 15731978, 31463956, 39329945, 78659890, 157319780]

約数ペア:

[(1, 157319780), (2, 78659890), (4, 39329945), (5, 31463956), (10, 15731978), (20, 7865989), (29, 5424820), (58, 2712410), (116, 1356205), (145, 1084964), (290, 542482), (580, 271241)]