289139210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{15913}}^1$

素因数の和:16022

約数の個数: 32

約数和(自身を含む): 549987840

約数和(自身を除く): 260848630

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 158, 230, 395, 790, 1817, 3634, 9085, 15913, 18170, 31826, 79565, 159130, 365999, 731998, 1257127, 1829995, 2514254, 3659990, 6285635, 12571270, 28913921, 57827842, 144569605, 289139210]

約数ペア:

[(1, 289139210), (2, 144569605), (5, 57827842), (10, 28913921), (23, 12571270), (46, 6285635), (79, 3659990), (115, 2514254), (158, 1829995), (230, 1257127), (395, 731998), (790, 365999), (1817, 159130), (3634, 79565), (9085, 31826), (15913, 18170)]