129779580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{308999}}^1$

素因数の和:309018

約数の個数: 48

約数和(自身を含む): 415296000

約数和(自身を除く): 285516420

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, 308999, 617998, 926997, 1235996, 1544995, 1853994, 2162993, 3089990, 3707988, 4325986, 4634985, 6179980, 6488979, 8651972, 9269970, 10814965, 12977958, 18539940, 21629930, 25955916, 32444895, 43259860, 64889790, 129779580]

約数ペア:

[(1, 129779580), (2, 64889790), (3, 43259860), (4, 32444895), (5, 25955916), (6, 21629930), (7, 18539940), (10, 12977958), (12, 10814965), (14, 9269970), (15, 8651972), (20, 6488979), (21, 6179980), (28, 4634985), (30, 4325986), (35, 3707988), (42, 3089990), (60, 2162993), (70, 1853994), (84, 1544995), (105, 1235996), (140, 926997), (210, 617998), (420, 308999)]