28271900

素因数分解:

$2^2\times 5^2\times {\mathrm{269}}^1\times {\mathrm{1051}}^1$

素因数の和:1334

約数の個数: 36

約数和(自身を含む): 61636680

約数和(自身を除く): 33364780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 269, 538, 1051, 1076, 1345, 2102, 2690, 4204, 5255, 5380, 6725, 10510, 13450, 21020, 26275, 26900, 52550, 105100, 282719, 565438, 1130876, 1413595, 2827190, 5654380, 7067975, 14135950, 28271900]

約数ペア:

[(1, 28271900), (2, 14135950), (4, 7067975), (5, 5654380), (10, 2827190), (20, 1413595), (25, 1130876), (50, 565438), (100, 282719), (269, 105100), (538, 52550), (1051, 26900), (1076, 26275), (1345, 21020), (2102, 13450), (2690, 10510), (4204, 6725), (5255, 5380)]