389927055280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3943}}^1\times {\mathrm{176591}}^1$

素因数の和:180554

約数の個数: 80

約数和(自身を含む): 1036360525824

約数和(自身を除く): 646433470544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3943, 7886, 15772, 19715, 27601, 31544, 39430, 55202, 63088, 78860, 110404, 138005, 157720, 176591, 220808, 276010, 315440, 353182, 441616, 552020, 706364, 882955, 1104040, 1236137, 1412728, 1765910, 2208080, 2472274, 2825456, 3531820, 4944548, 6180685, 7063640, 9889096, 12361370, 14127280, 19778192, 24722740, 49445480, 98890960, 696298313, 1392596626, 2785193252, 3481491565, 4874088191, 5570386504, 6962983130, 9748176382, 11140773008, 13925966260, 19496352764, 24370440955, 27851932520, 38992705528, 48740881910, 55703865040, 77985411056, 97481763820, 194963527640, 389927055280]

約数ペア:

[(1, 389927055280), (2, 194963527640), (4, 97481763820), (5, 77985411056), (7, 55703865040), (8, 48740881910), (10, 38992705528), (14, 27851932520), (16, 24370440955), (20, 19496352764), (28, 13925966260), (35, 11140773008), (40, 9748176382), (56, 6962983130), (70, 5570386504), (80, 4874088191), (112, 3481491565), (140, 2785193252), (280, 1392596626), (560, 696298313), (3943, 98890960), (7886, 49445480), (15772, 24722740), (19715, 19778192), (27601, 14127280), (31544, 12361370), (39430, 9889096), (55202, 7063640), (63088, 6180685), (78860, 4944548), (110404, 3531820), (138005, 2825456), (157720, 2472274), (176591, 2208080), (220808, 1765910), (276010, 1412728), (315440, 1236137), (353182, 1104040), (441616, 882955), (552020, 706364)]