201441680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{228911}}^1$

素因数の和:228935

約数の個数: 40

約数和(自身を含む): 510931584

約数和(自身を除く): 309489904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 228911, 457822, 915644, 1144555, 1831288, 2289110, 2518021, 3662576, 4578220, 5036042, 9156440, 10072084, 12590105, 18312880, 20144168, 25180210, 40288336, 50360420, 100720840, 201441680]

約数ペア:

[(1, 201441680), (2, 100720840), (4, 50360420), (5, 40288336), (8, 25180210), (10, 20144168), (11, 18312880), (16, 12590105), (20, 10072084), (22, 9156440), (40, 5036042), (44, 4578220), (55, 3662576), (80, 2518021), (88, 2289110), (110, 1831288), (176, 1144555), (220, 915644), (440, 457822), (880, 228911)]