209858320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1279}}^1$

素因数の和:1592

約数の個数: 80

約数和(自身を含む): 559964160

約数和(自身を除く): 350105840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 293, 560, 586, 1172, 1279, 1465, 2051, 2344, 2558, 2930, 4102, 4688, 5116, 5860, 6395, 8204, 8953, 10232, 10255, 11720, 12790, 16408, 17906, 20464, 20510, 23440, 25580, 32816, 35812, 41020, 44765, 51160, 71624, 82040, 89530, 102320, 143248, 164080, 179060, 358120, 374747, 716240, 749494, 1498988, 1873735, 2623229, 2997976, 3747470, 5246458, 5995952, 7494940, 10492916, 13116145, 14989880, 20985832, 26232290, 29979760, 41971664, 52464580, 104929160, 209858320]

約数ペア:

[(1, 209858320), (2, 104929160), (4, 52464580), (5, 41971664), (7, 29979760), (8, 26232290), (10, 20985832), (14, 14989880), (16, 13116145), (20, 10492916), (28, 7494940), (35, 5995952), (40, 5246458), (56, 3747470), (70, 2997976), (80, 2623229), (112, 1873735), (140, 1498988), (280, 749494), (293, 716240), (560, 374747), (586, 358120), (1172, 179060), (1279, 164080), (1465, 143248), (2051, 102320), (2344, 89530), (2558, 82040), (2930, 71624), (4102, 51160), (4688, 44765), (5116, 41020), (5860, 35812), (6395, 32816), (8204, 25580), (8953, 23440), (10232, 20510), (10255, 20464), (11720, 17906), (12790, 16408)]