208963790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{80681}}^1$

素因数の和:80732

約数の個数: 32

約数和(自身を含む): 441491904

約数和(自身を除く): 232528114

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 80681, 161362, 403405, 564767, 806810, 1129534, 2823835, 2985197, 5647670, 5970394, 14925985, 20896379, 29851970, 41792758, 104481895, 208963790]

約数ペア:

[(1, 208963790), (2, 104481895), (5, 41792758), (7, 29851970), (10, 20896379), (14, 14925985), (35, 5970394), (37, 5647670), (70, 2985197), (74, 2823835), (185, 1129534), (259, 806810), (370, 564767), (518, 403405), (1295, 161362), (2590, 80681)]