203500990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2081}}^1$

素因数の和:2233

約数の個数: 64

約数和(自身を含む): 460505088

約数和(自身を除く): 257004098

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 127, 154, 254, 385, 635, 770, 889, 1270, 1397, 1778, 2081, 2794, 4162, 4445, 6985, 8890, 9779, 10405, 13970, 14567, 19558, 20810, 22891, 29134, 45782, 48895, 72835, 97790, 114455, 145670, 160237, 228910, 264287, 320474, 528574, 801185, 1321435, 1602370, 1850009, 2642870, 2907157, 3700018, 5814314, 9250045, 14535785, 18500090, 20350099, 29071570, 40700198, 101750495, 203500990]

約数ペア:

[(1, 203500990), (2, 101750495), (5, 40700198), (7, 29071570), (10, 20350099), (11, 18500090), (14, 14535785), (22, 9250045), (35, 5814314), (55, 3700018), (70, 2907157), (77, 2642870), (110, 1850009), (127, 1602370), (154, 1321435), (254, 801185), (385, 528574), (635, 320474), (770, 264287), (889, 228910), (1270, 160237), (1397, 145670), (1778, 114455), (2081, 97790), (2794, 72835), (4162, 48895), (4445, 45782), (6985, 29134), (8890, 22891), (9779, 20810), (10405, 19558), (13970, 14567)]