8976380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 21798336

約数和(自身を除く): 12821956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 661, 679, 970, 1322, 1358, 1940, 2644, 2716, 3305, 3395, 4627, 6610, 6790, 9254, 13220, 13580, 18508, 23135, 46270, 64117, 92540, 128234, 256468, 320585, 448819, 641170, 897638, 1282340, 1795276, 2244095, 4488190, 8976380]

約数ペア:

[(1, 8976380), (2, 4488190), (4, 2244095), (5, 1795276), (7, 1282340), (10, 897638), (14, 641170), (20, 448819), (28, 320585), (35, 256468), (70, 128234), (97, 92540), (140, 64117), (194, 46270), (388, 23135), (485, 18508), (661, 13580), (679, 13220), (970, 9254), (1322, 6790), (1358, 6610), (1940, 4627), (2644, 3395), (2716, 3305)]