520028740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{337681}}^1$

素因数の和:337708

約数の個数: 48

約数和(自身を含む): 1361533824

約数和(自身を除く): 841505084

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 337681, 675362, 1350724, 1688405, 2363767, 3376810, 3714491, 4727534, 6753620, 7428982, 9455068, 11818835, 14857964, 18572455, 23637670, 26001437, 37144910, 47275340, 52002874, 74289820, 104005748, 130007185, 260014370, 520028740]

約数ペア:

[(1, 520028740), (2, 260014370), (4, 130007185), (5, 104005748), (7, 74289820), (10, 52002874), (11, 47275340), (14, 37144910), (20, 26001437), (22, 23637670), (28, 18572455), (35, 14857964), (44, 11818835), (55, 9455068), (70, 7428982), (77, 6753620), (110, 4727534), (140, 3714491), (154, 3376810), (220, 2363767), (308, 1688405), (385, 1350724), (770, 675362), (1540, 337681)]