19302800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 52309152

約数和(自身を除く): 33006352

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 41, 44, 50, 55, 80, 82, 88, 100, 107, 110, 164, 176, 200, 205, 214, 220, 275, 328, 400, 410, 428, 440, 451, 535, 550, 656, 820, 856, 880, 902, 1025, 1070, 1100, 1177, 1640, 1712, 1804, 2050, 2140, 2200, 2255, 2354, 2675, 3280, 3608, 4100, 4280, 4387, 4400, 4510, 4708, 5350, 5885, 7216, 8200, 8560, 8774, 9020, 9416, 10700, 11275, 11770, 16400, 17548, 18040, 18832, 21400, 21935, 22550, 23540, 29425, 35096, 36080, 42800, 43870, 45100, 47080, 48257, 58850, 70192, 87740, 90200, 94160, 96514, 109675, 117700, 175480, 180400, 193028, 219350, 235400, 241285, 350960, 386056, 438700, 470800, 482570, 772112, 877400, 965140, 1206425, 1754800, 1930280, 2412850, 3860560, 4825700, 9651400, 19302800]

約数ペア:

[(1, 19302800), (2, 9651400), (4, 4825700), (5, 3860560), (8, 2412850), (10, 1930280), (11, 1754800), (16, 1206425), (20, 965140), (22, 877400), (25, 772112), (40, 482570), (41, 470800), (44, 438700), (50, 386056), (55, 350960), (80, 241285), (82, 235400), (88, 219350), (100, 193028), (107, 180400), (110, 175480), (164, 117700), (176, 109675), (200, 96514), (205, 94160), (214, 90200), (220, 87740), (275, 70192), (328, 58850), (400, 48257), (410, 47080), (428, 45100), (440, 43870), (451, 42800), (535, 36080), (550, 35096), (656, 29425), (820, 23540), (856, 22550), (880, 21935), (902, 21400), (1025, 18832), (1070, 18040), (1100, 17548), (1177, 16400), (1640, 11770), (1712, 11275), (1804, 10700), (2050, 9416), (2140, 9020), (2200, 8774), (2255, 8560), (2354, 8200), (2675, 7216), (3280, 5885), (3608, 5350), (4100, 4708), (4280, 4510), (4387, 4400)]