201395920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{228859}}^1$

素因数の和:228883

約数の個数: 40

約数和(自身を含む): 510815520

約数和(自身を除く): 309419600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 228859, 457718, 915436, 1144295, 1830872, 2288590, 2517449, 3661744, 4577180, 5034898, 9154360, 10069796, 12587245, 18308720, 20139592, 25174490, 40279184, 50348980, 100697960, 201395920]

約数ペア:

[(1, 201395920), (2, 100697960), (4, 50348980), (5, 40279184), (8, 25174490), (10, 20139592), (11, 18308720), (16, 12587245), (20, 10069796), (22, 9154360), (40, 5034898), (44, 4577180), (55, 3661744), (80, 2517449), (88, 2288590), (110, 1830872), (176, 1144295), (220, 915436), (440, 457718), (880, 228859)]