257972470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{37993}}^1$

素因数の和:38104

約数の個数: 32

約数和(自身を含む): 536171328

約数和(自身を除く): 278198858

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3395, 6790, 37993, 75986, 189965, 265951, 379930, 531902, 1329755, 2659510, 3685321, 7370642, 18426605, 25797247, 36853210, 51594494, 128986235, 257972470]

約数ペア:

[(1, 257972470), (2, 128986235), (5, 51594494), (7, 36853210), (10, 25797247), (14, 18426605), (35, 7370642), (70, 3685321), (97, 2659510), (194, 1329755), (485, 531902), (679, 379930), (970, 265951), (1358, 189965), (3395, 75986), (6790, 37993)]