205617090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{1381}}^1$

素因数の和:2107

約数の個数: 64

約数和(自身を含む): 565182720

約数和(自身を除く): 359565630

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 709, 1381, 1418, 2127, 2762, 3545, 4143, 4254, 4963, 6905, 7090, 8286, 9667, 9926, 10635, 13810, 14889, 19334, 20715, 21270, 24815, 29001, 29778, 41430, 48335, 49630, 58002, 74445, 96670, 145005, 148890, 290010, 979129, 1958258, 2937387, 4895645, 5874774, 6853903, 9791290, 13707806, 14686935, 20561709, 29373870, 34269515, 41123418, 68539030, 102808545, 205617090]

約数ペア:

[(1, 205617090), (2, 102808545), (3, 68539030), (5, 41123418), (6, 34269515), (7, 29373870), (10, 20561709), (14, 14686935), (15, 13707806), (21, 9791290), (30, 6853903), (35, 5874774), (42, 4895645), (70, 2937387), (105, 1958258), (210, 979129), (709, 290010), (1381, 148890), (1418, 145005), (2127, 96670), (2762, 74445), (3545, 58002), (4143, 49630), (4254, 48335), (4963, 41430), (6905, 29778), (7090, 29001), (8286, 24815), (9667, 21270), (9926, 20715), (10635, 19334), (13810, 14889)]