257810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:170

約数の個数: 32

約数和(自身を含む): 552960

約数和(自身を除く): 295150

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 127, 145, 203, 254, 290, 406, 635, 889, 1015, 1270, 1778, 2030, 3683, 4445, 7366, 8890, 18415, 25781, 36830, 51562, 128905, 257810]

約数ペア:

[(1, 257810), (2, 128905), (5, 51562), (7, 36830), (10, 25781), (14, 18415), (29, 8890), (35, 7366), (58, 4445), (70, 3683), (127, 2030), (145, 1778), (203, 1270), (254, 1015), (290, 889), (406, 635)]