71719340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6653}}^1$

素因数の和:6687

約数の個数: 72

約数和(自身を含む): 191156112

約数和(自身を除く): 119436772

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 6653, 10780, 13306, 26612, 33265, 46571, 66530, 73183, 93142, 133060, 146366, 186284, 232855, 292732, 325997, 365915, 465710, 512281, 651994, 731830, 931420, 1024562, 1303988, 1463660, 1629985, 2049124, 2561405, 3259970, 3585967, 5122810, 6519940, 7171934, 10245620, 14343868, 17929835, 35859670, 71719340]

約数ペア:

[(1, 71719340), (2, 35859670), (4, 17929835), (5, 14343868), (7, 10245620), (10, 7171934), (11, 6519940), (14, 5122810), (20, 3585967), (22, 3259970), (28, 2561405), (35, 2049124), (44, 1629985), (49, 1463660), (55, 1303988), (70, 1024562), (77, 931420), (98, 731830), (110, 651994), (140, 512281), (154, 465710), (196, 365915), (220, 325997), (245, 292732), (308, 232855), (385, 186284), (490, 146366), (539, 133060), (770, 93142), (980, 73183), (1078, 66530), (1540, 46571), (2156, 33265), (2695, 26612), (5390, 13306), (6653, 10780)]