28230400

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1$

素因数の和:438

約数の個数: 108

約数和(自身を含む): 76416984

約数和(自身を除く): 48186584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 256, 275, 320, 352, 400, 401, 440, 550, 640, 704, 800, 802, 880, 1100, 1280, 1408, 1600, 1604, 1760, 2005, 2200, 2816, 3200, 3208, 3520, 4010, 4400, 4411, 6400, 6416, 7040, 8020, 8800, 8822, 10025, 12832, 14080, 16040, 17600, 17644, 20050, 22055, 25664, 32080, 35200, 35288, 40100, 44110, 51328, 64160, 70400, 70576, 80200, 88220, 102656, 110275, 128320, 141152, 160400, 176440, 220550, 256640, 282304, 320800, 352880, 441100, 513280, 564608, 641600, 705760, 882200, 1129216, 1283200, 1411520, 1764400, 2566400, 2823040, 3528800, 5646080, 7057600, 14115200, 28230400]

約数ペア:

[(1, 28230400), (2, 14115200), (4, 7057600), (5, 5646080), (8, 3528800), (10, 2823040), (11, 2566400), (16, 1764400), (20, 1411520), (22, 1283200), (25, 1129216), (32, 882200), (40, 705760), (44, 641600), (50, 564608), (55, 513280), (64, 441100), (80, 352880), (88, 320800), (100, 282304), (110, 256640), (128, 220550), (160, 176440), (176, 160400), (200, 141152), (220, 128320), (256, 110275), (275, 102656), (320, 88220), (352, 80200), (400, 70576), (401, 70400), (440, 64160), (550, 51328), (640, 44110), (704, 40100), (800, 35288), (802, 35200), (880, 32080), (1100, 25664), (1280, 22055), (1408, 20050), (1600, 17644), (1604, 17600), (1760, 16040), (2005, 14080), (2200, 12832), (2816, 10025), (3200, 8822), (3208, 8800), (3520, 8020), (4010, 7040), (4400, 6416), (4411, 6400)]