8867740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{653}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 21534912

約数和(自身を除く): 12667172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 653, 679, 970, 1306, 1358, 1940, 2612, 2716, 3265, 3395, 4571, 6530, 6790, 9142, 13060, 13580, 18284, 22855, 45710, 63341, 91420, 126682, 253364, 316705, 443387, 633410, 886774, 1266820, 1773548, 2216935, 4433870, 8867740]

約数ペア:

[(1, 8867740), (2, 4433870), (4, 2216935), (5, 1773548), (7, 1266820), (10, 886774), (14, 633410), (20, 443387), (28, 316705), (35, 253364), (70, 126682), (97, 91420), (140, 63341), (194, 45710), (388, 22855), (485, 18284), (653, 13580), (679, 13060), (970, 9142), (1306, 6790), (1358, 6530), (1940, 4571), (2612, 3395), (2716, 3265)]