201030400

素因数分解:

$2^8\times 5^2\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:438

約数の個数: 108

約数和(自身を含む): 504123984

約数和(自身を除く): 303093584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 101, 128, 160, 200, 202, 256, 311, 320, 400, 404, 505, 622, 640, 800, 808, 1010, 1244, 1280, 1555, 1600, 1616, 2020, 2488, 2525, 3110, 3200, 3232, 4040, 4976, 5050, 6220, 6400, 6464, 7775, 8080, 9952, 10100, 12440, 12928, 15550, 16160, 19904, 20200, 24880, 25856, 31100, 31411, 32320, 39808, 40400, 49760, 62200, 62822, 64640, 79616, 80800, 99520, 124400, 125644, 129280, 157055, 161600, 199040, 248800, 251288, 314110, 323200, 398080, 497600, 502576, 628220, 646400, 785275, 995200, 1005152, 1256440, 1570550, 1990400, 2010304, 2512880, 3141100, 4020608, 5025760, 6282200, 8041216, 10051520, 12564400, 20103040, 25128800, 40206080, 50257600, 100515200, 201030400]

約数ペア:

[(1, 201030400), (2, 100515200), (4, 50257600), (5, 40206080), (8, 25128800), (10, 20103040), (16, 12564400), (20, 10051520), (25, 8041216), (32, 6282200), (40, 5025760), (50, 4020608), (64, 3141100), (80, 2512880), (100, 2010304), (101, 1990400), (128, 1570550), (160, 1256440), (200, 1005152), (202, 995200), (256, 785275), (311, 646400), (320, 628220), (400, 502576), (404, 497600), (505, 398080), (622, 323200), (640, 314110), (800, 251288), (808, 248800), (1010, 199040), (1244, 161600), (1280, 157055), (1555, 129280), (1600, 125644), (1616, 124400), (2020, 99520), (2488, 80800), (2525, 79616), (3110, 64640), (3200, 62822), (3232, 62200), (4040, 49760), (4976, 40400), (5050, 39808), (6220, 32320), (6400, 31411), (6464, 31100), (7775, 25856), (8080, 24880), (9952, 20200), (10100, 19904), (12440, 16160), (12928, 15550)]