3638180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2028

約数の個数: 48

約数和(自身を含む): 9408000

約数和(自身を除く): 5769820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 1999, 3998, 7996, 9995, 13993, 19990, 25987, 27986, 39980, 51974, 55972, 69965, 103948, 129935, 139930, 181909, 259870, 279860, 363818, 519740, 727636, 909545, 1819090, 3638180]

約数ペア:

[(1, 3638180), (2, 1819090), (4, 909545), (5, 727636), (7, 519740), (10, 363818), (13, 279860), (14, 259870), (20, 181909), (26, 139930), (28, 129935), (35, 103948), (52, 69965), (65, 55972), (70, 51974), (91, 39980), (130, 27986), (140, 25987), (182, 19990), (260, 13993), (364, 9995), (455, 7996), (910, 3998), (1820, 1999)]