331379580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{788999}}^1$

素因数の和:789018

約数の個数: 48

約数和(自身を含む): 1060416000

約数和(自身を除く): 729036420

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, 788999, 1577998, 2366997, 3155996, 3944995, 4733994, 5522993, 7889990, 9467988, 11045986, 11834985, 15779980, 16568979, 22091972, 23669970, 27614965, 33137958, 47339940, 55229930, 66275916, 82844895, 110459860, 165689790, 331379580]

約数ペア:

[(1, 331379580), (2, 165689790), (3, 110459860), (4, 82844895), (5, 66275916), (6, 55229930), (7, 47339940), (10, 33137958), (12, 27614965), (14, 23669970), (15, 22091972), (20, 16568979), (21, 15779980), (28, 11834985), (30, 11045986), (35, 9467988), (42, 7889990), (60, 5522993), (70, 4733994), (84, 3944995), (105, 3155996), (140, 2366997), (210, 1577998), (420, 788999)]