194780080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{569}}^1$

素因数の和:982

約数の個数: 80

約数和(自身を含む): 496173600

約数和(自身を除く): 301393520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 389, 440, 569, 778, 880, 1138, 1556, 1945, 2276, 2845, 3112, 3890, 4279, 4552, 5690, 6224, 6259, 7780, 8558, 9104, 11380, 12518, 15560, 17116, 21395, 22760, 25036, 31120, 31295, 34232, 42790, 45520, 50072, 62590, 68464, 85580, 100144, 125180, 171160, 221341, 250360, 342320, 442682, 500720, 885364, 1106705, 1770728, 2213410, 2434751, 3541456, 4426820, 4869502, 8853640, 9739004, 12173755, 17707280, 19478008, 24347510, 38956016, 48695020, 97390040, 194780080]

約数ペア:

[(1, 194780080), (2, 97390040), (4, 48695020), (5, 38956016), (8, 24347510), (10, 19478008), (11, 17707280), (16, 12173755), (20, 9739004), (22, 8853640), (40, 4869502), (44, 4426820), (55, 3541456), (80, 2434751), (88, 2213410), (110, 1770728), (176, 1106705), (220, 885364), (389, 500720), (440, 442682), (569, 342320), (778, 250360), (880, 221341), (1138, 171160), (1556, 125180), (1945, 100144), (2276, 85580), (2845, 68464), (3112, 62590), (3890, 50072), (4279, 45520), (4552, 42790), (5690, 34232), (6224, 31295), (6259, 31120), (7780, 25036), (8558, 22760), (9104, 21395), (11380, 17116), (12518, 15560)]