127271600

素因数分解:

$2^4\times 5^2\times {\mathrm{318179}}^1$

素因数の和:318197

約数の個数: 30

約数和(自身を含む): 305770980

約数和(自身を除く): 178499380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 318179, 636358, 1272716, 1590895, 2545432, 3181790, 5090864, 6363580, 7954475, 12727160, 15908950, 25454320, 31817900, 63635800, 127271600]

約数ペア:

[(1, 127271600), (2, 63635800), (4, 31817900), (5, 25454320), (8, 15908950), (10, 12727160), (16, 7954475), (20, 6363580), (25, 5090864), (40, 3181790), (50, 2545432), (80, 1590895), (100, 1272716), (200, 636358), (400, 318179)]