247889320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{9127}}^1$

素因数の和:9242

約数の個数: 64

約数和(自身を含む): 644071680

約数和(自身を除く): 396182360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2716, 3395, 3880, 5432, 6790, 9127, 13580, 18254, 27160, 36508, 45635, 63889, 73016, 91270, 127778, 182540, 255556, 319445, 365080, 511112, 638890, 885319, 1277780, 1770638, 2555560, 3541276, 4426595, 6197233, 7082552, 8853190, 12394466, 17706380, 24788932, 30986165, 35412760, 49577864, 61972330, 123944660, 247889320]

約数ペア:

[(1, 247889320), (2, 123944660), (4, 61972330), (5, 49577864), (7, 35412760), (8, 30986165), (10, 24788932), (14, 17706380), (20, 12394466), (28, 8853190), (35, 7082552), (40, 6197233), (56, 4426595), (70, 3541276), (97, 2555560), (140, 1770638), (194, 1277780), (280, 885319), (388, 638890), (485, 511112), (679, 365080), (776, 319445), (970, 255556), (1358, 182540), (1940, 127778), (2716, 91270), (3395, 73016), (3880, 63889), (5432, 45635), (6790, 36508), (9127, 27160), (13580, 18254)]