718020090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{20509}}^1$

素因数の和:20911

約数の個数: 48

約数和(自身を含む): 1871742600

約数和(自身を除く): 1153722510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 389, 778, 1167, 1945, 2334, 3501, 3890, 5835, 7002, 11670, 17505, 20509, 35010, 41018, 61527, 102545, 123054, 184581, 205090, 307635, 369162, 615270, 922905, 1845810, 7978001, 15956002, 23934003, 39890005, 47868006, 71802009, 79780010, 119670015, 143604018, 239340030, 359010045, 718020090]

約数ペア:

[(1, 718020090), (2, 359010045), (3, 239340030), (5, 143604018), (6, 119670015), (9, 79780010), (10, 71802009), (15, 47868006), (18, 39890005), (30, 23934003), (45, 15956002), (90, 7978001), (389, 1845810), (778, 922905), (1167, 615270), (1945, 369162), (2334, 307635), (3501, 205090), (3890, 184581), (5835, 123054), (7002, 102545), (11670, 61527), (17505, 41018), (20509, 35010)]