290489968

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{255713}}^1$

素因数の和:255792

約数の個数: 20

約数和(自身を含む): 570753648

約数和(自身を除く): 280263680

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 255713, 511426, 1022852, 2045704, 4091408, 18155623, 36311246, 72622492, 145244984, 290489968]

約数ペア:

[(1, 290489968), (2, 145244984), (4, 72622492), (8, 36311246), (16, 18155623), (71, 4091408), (142, 2045704), (284, 1022852), (568, 511426), (1136, 255713)]