3959780

素因数分解:

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

素因数の和:500

約数の個数: 48

約数和(自身を含む): 9313920

約数和(自身を除く): 5354140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 439, 451, 820, 878, 902, 1756, 1804, 2195, 2255, 4390, 4510, 4829, 8780, 9020, 9658, 17999, 19316, 24145, 35998, 48290, 71996, 89995, 96580, 179990, 197989, 359980, 395978, 791956, 989945, 1979890, 3959780]

約数ペア:

[(1, 3959780), (2, 1979890), (4, 989945), (5, 791956), (10, 395978), (11, 359980), (20, 197989), (22, 179990), (41, 96580), (44, 89995), (55, 71996), (82, 48290), (110, 35998), (164, 24145), (205, 19316), (220, 17999), (410, 9658), (439, 9020), (451, 8780), (820, 4829), (878, 4510), (902, 4390), (1756, 2255), (1804, 2195)]