121799580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{289999}}^1$

素因数の和:290018

約数の個数: 48

約数和(自身を含む): 389760000

約数和(自身を除く): 267960420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 289999, 579998, 869997, 1159996, 1449995, 1739994, 2029993, 2899990, 3479988, 4059986, 4349985, 5799980, 6089979, 8119972, 8699970, 10149965, 12179958, 17399940, 20299930, 24359916, 30449895, 40599860, 60899790, 121799580]

約数ペア:

[(1, 121799580), (2, 60899790), (3, 40599860), (4, 30449895), (5, 24359916), (6, 20299930), (7, 17399940), (10, 12179958), (12, 10149965), (14, 8699970), (15, 8119972), (20, 6089979), (21, 5799980), (28, 4349985), (30, 4059986), (35, 3479988), (42, 2899990), (60, 2029993), (70, 1739994), (84, 1449995), (105, 1159996), (140, 869997), (210, 579998), (420, 289999)]