28243400

素因数分解:

$2^3\times 5^2\times {\mathrm{283}}^1\times {\mathrm{499}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 66030000

約数和(自身を除く): 37786600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 283, 499, 566, 998, 1132, 1415, 1996, 2264, 2495, 2830, 3992, 4990, 5660, 7075, 9980, 11320, 12475, 14150, 19960, 24950, 28300, 49900, 56600, 99800, 141217, 282434, 564868, 706085, 1129736, 1412170, 2824340, 3530425, 5648680, 7060850, 14121700, 28243400]

約数ペア:

[(1, 28243400), (2, 14121700), (4, 7060850), (5, 5648680), (8, 3530425), (10, 2824340), (20, 1412170), (25, 1129736), (40, 706085), (50, 564868), (100, 282434), (200, 141217), (283, 99800), (499, 56600), (566, 49900), (998, 28300), (1132, 24950), (1415, 19960), (1996, 14150), (2264, 12475), (2495, 11320), (2830, 9980), (3992, 7075), (4990, 5660)]