29805090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2087

約数の個数: 64

約数和(自身を含む): 82944000

約数和(自身を除く): 53138910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 710, 994, 1065, 1491, 1999, 2130, 2485, 2982, 3998, 4970, 5997, 7455, 9995, 11994, 13993, 14910, 19990, 27986, 29985, 41979, 59970, 69965, 83958, 139930, 141929, 209895, 283858, 419790, 425787, 709645, 851574, 993503, 1419290, 1987006, 2128935, 2980509, 4257870, 4967515, 5961018, 9935030, 14902545, 29805090]

約数ペア:

[(1, 29805090), (2, 14902545), (3, 9935030), (5, 5961018), (6, 4967515), (7, 4257870), (10, 2980509), (14, 2128935), (15, 1987006), (21, 1419290), (30, 993503), (35, 851574), (42, 709645), (70, 425787), (71, 419790), (105, 283858), (142, 209895), (210, 141929), (213, 139930), (355, 83958), (426, 69965), (497, 59970), (710, 41979), (994, 29985), (1065, 27986), (1491, 19990), (1999, 14910), (2130, 13993), (2485, 11994), (2982, 9995), (3998, 7455), (4970, 5997)]