290420272

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{132491}}^1$

素因数の和:132636

約数の個数: 20

約数和(自身を含む): 566800776

約数和(自身を除く): 276380504

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 132491, 264982, 529964, 1059928, 2119856, 18151267, 36302534, 72605068, 145210136, 290420272]

約数ペア:

[(1, 290420272), (2, 145210136), (4, 72605068), (8, 36302534), (16, 18151267), (137, 2119856), (274, 1059928), (548, 529964), (1096, 264982), (2192, 132491)]