9899450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 20623680

約数和(自身を除く): 10724230

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 110, 205, 275, 410, 439, 451, 550, 878, 902, 1025, 2050, 2195, 2255, 4390, 4510, 4829, 9658, 10975, 11275, 17999, 21950, 22550, 24145, 35998, 48290, 89995, 120725, 179990, 197989, 241450, 395978, 449975, 899950, 989945, 1979890, 4949725, 9899450]

約数ペア:

[(1, 9899450), (2, 4949725), (5, 1979890), (10, 989945), (11, 899950), (22, 449975), (25, 395978), (41, 241450), (50, 197989), (55, 179990), (82, 120725), (110, 89995), (205, 48290), (275, 35998), (410, 24145), (439, 22550), (451, 21950), (550, 17999), (878, 11275), (902, 10975), (1025, 9658), (2050, 4829), (2195, 4510), (2255, 4390)]