820565504

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2749}}^1$

素因数の和:2831

約数の個数: 80

約数和(自身を含む): 1822986000

約数和(自身を除く): 1002420496

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 64, 88, 106, 128, 176, 212, 256, 352, 424, 512, 583, 704, 848, 1166, 1408, 1696, 2332, 2749, 2816, 3392, 4664, 5498, 5632, 6784, 9328, 10996, 13568, 18656, 21992, 27136, 30239, 37312, 43984, 60478, 74624, 87968, 120956, 145697, 149248, 175936, 241912, 291394, 298496, 351872, 483824, 582788, 703744, 967648, 1165576, 1407488, 1602667, 1935296, 2331152, 3205334, 3870592, 4662304, 6410668, 7741184, 9324608, 12821336, 15482368, 18649216, 25642672, 37298432, 51285344, 74596864, 102570688, 205141376, 410282752, 820565504]

約数ペア:

[(1, 820565504), (2, 410282752), (4, 205141376), (8, 102570688), (11, 74596864), (16, 51285344), (22, 37298432), (32, 25642672), (44, 18649216), (53, 15482368), (64, 12821336), (88, 9324608), (106, 7741184), (128, 6410668), (176, 4662304), (212, 3870592), (256, 3205334), (352, 2331152), (424, 1935296), (512, 1602667), (583, 1407488), (704, 1165576), (848, 967648), (1166, 703744), (1408, 582788), (1696, 483824), (2332, 351872), (2749, 298496), (2816, 291394), (3392, 241912), (4664, 175936), (5498, 149248), (5632, 145697), (6784, 120956), (9328, 87968), (10996, 74624), (13568, 60478), (18656, 43984), (21992, 37312), (27136, 30239)]