817156780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{487}}^1$

素因数の和:799

約数の個数: 96

約数和(自身を含む): 1947939840

約数和(自身を除く): 1130783060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 263, 290, 319, 487, 526, 580, 638, 974, 1052, 1276, 1315, 1595, 1948, 2435, 2630, 2893, 3190, 4870, 5260, 5357, 5786, 6380, 7627, 9740, 10714, 11572, 14123, 14465, 15254, 21428, 26785, 28246, 28930, 30508, 38135, 53570, 56492, 57860, 70615, 76270, 83897, 107140, 128081, 141230, 152540, 155353, 167794, 256162, 282460, 310706, 335588, 419485, 512324, 621412, 640405, 776765, 838970, 1280810, 1408891, 1553530, 1677940, 2561620, 2817782, 3107060, 3714349, 5635564, 7044455, 7428698, 14088910, 14857396, 18571745, 28177820, 37143490, 40857839, 74286980, 81715678, 163431356, 204289195, 408578390, 817156780]

約数ペア:

[(1, 817156780), (2, 408578390), (4, 204289195), (5, 163431356), (10, 81715678), (11, 74286980), (20, 40857839), (22, 37143490), (29, 28177820), (44, 18571745), (55, 14857396), (58, 14088910), (110, 7428698), (116, 7044455), (145, 5635564), (220, 3714349), (263, 3107060), (290, 2817782), (319, 2561620), (487, 1677940), (526, 1553530), (580, 1408891), (638, 1280810), (974, 838970), (1052, 776765), (1276, 640405), (1315, 621412), (1595, 512324), (1948, 419485), (2435, 335588), (2630, 310706), (2893, 282460), (3190, 256162), (4870, 167794), (5260, 155353), (5357, 152540), (5786, 141230), (6380, 128081), (7627, 107140), (9740, 83897), (10714, 76270), (11572, 70615), (14123, 57860), (14465, 56492), (15254, 53570), (21428, 38135), (26785, 30508), (28246, 28930)]