28198600

素因数分解:

$2^3\times 5^2\times {\mathrm{277}}^1\times {\mathrm{509}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 65927700

約数和(自身を除く): 37729100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 277, 509, 554, 1018, 1108, 1385, 2036, 2216, 2545, 2770, 4072, 5090, 5540, 6925, 10180, 11080, 12725, 13850, 20360, 25450, 27700, 50900, 55400, 101800, 140993, 281986, 563972, 704965, 1127944, 1409930, 2819860, 3524825, 5639720, 7049650, 14099300, 28198600]

約数ペア:

[(1, 28198600), (2, 14099300), (4, 7049650), (5, 5639720), (8, 3524825), (10, 2819860), (20, 1409930), (25, 1127944), (40, 704965), (50, 563972), (100, 281986), (200, 140993), (277, 101800), (509, 55400), (554, 50900), (1018, 27700), (1108, 25450), (1385, 20360), (2036, 13850), (2216, 12725), (2545, 11080), (2770, 10180), (4072, 6925), (5090, 5540)]