257738530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{30941}}^1$

素因数の和:30979

約数の個数: 48

約数和(自身を含む): 571436856

約数和(自身を除く): 313698326

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 4165, 8330, 30941, 61882, 154705, 216587, 309410, 433174, 525997, 1051994, 1082935, 1516109, 2165870, 2629985, 3032218, 3681979, 5259970, 7363958, 7580545, 15161090, 18409895, 25773853, 36819790, 51547706, 128869265, 257738530]

約数ペア:

[(1, 257738530), (2, 128869265), (5, 51547706), (7, 36819790), (10, 25773853), (14, 18409895), (17, 15161090), (34, 7580545), (35, 7363958), (49, 5259970), (70, 3681979), (85, 3032218), (98, 2629985), (119, 2165870), (170, 1516109), (238, 1082935), (245, 1051994), (490, 525997), (595, 433174), (833, 309410), (1190, 216587), (1666, 154705), (4165, 61882), (8330, 30941)]