6436780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 16128000

約数和(自身を除く): 9691220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 1999, 3220, 3998, 7996, 9995, 13993, 19990, 27986, 39980, 45977, 55972, 69965, 91954, 139930, 183908, 229885, 279860, 321839, 459770, 643678, 919540, 1287356, 1609195, 3218390, 6436780]

約数ペア:

[(1, 6436780), (2, 3218390), (4, 1609195), (5, 1287356), (7, 919540), (10, 643678), (14, 459770), (20, 321839), (23, 279860), (28, 229885), (35, 183908), (46, 139930), (70, 91954), (92, 69965), (115, 55972), (140, 45977), (161, 39980), (230, 27986), (322, 19990), (460, 13993), (644, 9995), (805, 7996), (1610, 3998), (1999, 3220)]