99445600

素因数分解:

$2^5\times 5^2\times {\mathrm{197}}^1\times {\mathrm{631}}^1$

素因数の和:848

約数の個数: 72

約数和(自身を含む): 244390608

約数和(自身を除く): 144945008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 197, 200, 394, 400, 631, 788, 800, 985, 1262, 1576, 1970, 2524, 3152, 3155, 3940, 4925, 5048, 6304, 6310, 7880, 9850, 10096, 12620, 15760, 15775, 19700, 20192, 25240, 31520, 31550, 39400, 50480, 63100, 78800, 100960, 124307, 126200, 157600, 248614, 252400, 497228, 504800, 621535, 994456, 1243070, 1988912, 2486140, 3107675, 3977824, 4972280, 6215350, 9944560, 12430700, 19889120, 24861400, 49722800, 99445600]

約数ペア:

[(1, 99445600), (2, 49722800), (4, 24861400), (5, 19889120), (8, 12430700), (10, 9944560), (16, 6215350), (20, 4972280), (25, 3977824), (32, 3107675), (40, 2486140), (50, 1988912), (80, 1243070), (100, 994456), (160, 621535), (197, 504800), (200, 497228), (394, 252400), (400, 248614), (631, 157600), (788, 126200), (800, 124307), (985, 100960), (1262, 78800), (1576, 63100), (1970, 50480), (2524, 39400), (3152, 31550), (3155, 31520), (3940, 25240), (4925, 20192), (5048, 19700), (6304, 15775), (6310, 15760), (7880, 12620), (9850, 10096)]