57431270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2049

約数の個数: 48

約数和(自身を含む): 118584000

約数和(自身を除く): 61152730

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 845, 1105, 1690, 1999, 2210, 2873, 3998, 5746, 9995, 14365, 19990, 25987, 28730, 33983, 51974, 67966, 129935, 169915, 259870, 337831, 339830, 441779, 675662, 883558, 1689155, 2208895, 3378310, 4417790, 5743127, 11486254, 28715635, 57431270]

約数ペア:

[(1, 57431270), (2, 28715635), (5, 11486254), (10, 5743127), (13, 4417790), (17, 3378310), (26, 2208895), (34, 1689155), (65, 883558), (85, 675662), (130, 441779), (169, 339830), (170, 337831), (221, 259870), (338, 169915), (442, 129935), (845, 67966), (1105, 51974), (1690, 33983), (1999, 28730), (2210, 25987), (2873, 19990), (3998, 14365), (5746, 9995)]