218962360

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 501590880

約数和(自身を除く): 282628520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 193, 226, 251, 386, 452, 502, 565, 772, 904, 965, 1004, 1130, 1255, 1544, 1930, 2008, 2260, 2510, 3860, 4520, 5020, 7720, 10040, 21809, 28363, 43618, 48443, 56726, 87236, 96886, 109045, 113452, 141815, 174472, 193772, 218090, 226904, 242215, 283630, 387544, 436180, 484430, 567260, 872360, 968860, 1134520, 1937720, 5474059, 10948118, 21896236, 27370295, 43792472, 54740590, 109481180, 218962360]

約数ペア:

[(1, 218962360), (2, 109481180), (4, 54740590), (5, 43792472), (8, 27370295), (10, 21896236), (20, 10948118), (40, 5474059), (113, 1937720), (193, 1134520), (226, 968860), (251, 872360), (386, 567260), (452, 484430), (502, 436180), (565, 387544), (772, 283630), (904, 242215), (965, 226904), (1004, 218090), (1130, 193772), (1255, 174472), (1544, 141815), (1930, 113452), (2008, 109045), (2260, 96886), (2510, 87236), (3860, 56726), (4520, 48443), (5020, 43618), (7720, 28363), (10040, 21809)]