205707920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233759}}^1$

素因数の和:233783

約数の個数: 40

約数和(自身を含む): 521752320

約数和(自身を除く): 316044400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 233759, 467518, 935036, 1168795, 1870072, 2337590, 2571349, 3740144, 4675180, 5142698, 9350360, 10285396, 12856745, 18700720, 20570792, 25713490, 41141584, 51426980, 102853960, 205707920]

約数ペア:

[(1, 205707920), (2, 102853960), (4, 51426980), (5, 41141584), (8, 25713490), (10, 20570792), (11, 18700720), (16, 12856745), (20, 10285396), (22, 9350360), (40, 5142698), (44, 4675180), (55, 3740144), (80, 2571349), (88, 2337590), (110, 1870072), (176, 1168795), (220, 935036), (440, 467518), (880, 233759)]