137551820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1447}}^1$

素因数の和:1567

約数の個数: 72

約数和(自身を含む): 339718176

約数和(自身を除く): 202166356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 388, 485, 490, 679, 970, 980, 1358, 1447, 1940, 2716, 2894, 3395, 4753, 5788, 6790, 7235, 9506, 10129, 13580, 14470, 19012, 20258, 23765, 28940, 40516, 47530, 50645, 70903, 95060, 101290, 140359, 141806, 202580, 280718, 283612, 354515, 561436, 701795, 709030, 982513, 1403590, 1418060, 1965026, 2807180, 3930052, 4912565, 6877591, 9825130, 13755182, 19650260, 27510364, 34387955, 68775910, 137551820]

約数ペア:

[(1, 137551820), (2, 68775910), (4, 34387955), (5, 27510364), (7, 19650260), (10, 13755182), (14, 9825130), (20, 6877591), (28, 4912565), (35, 3930052), (49, 2807180), (70, 1965026), (97, 1418060), (98, 1403590), (140, 982513), (194, 709030), (196, 701795), (245, 561436), (388, 354515), (485, 283612), (490, 280718), (679, 202580), (970, 141806), (980, 140359), (1358, 101290), (1447, 95060), (1940, 70903), (2716, 50645), (2894, 47530), (3395, 40516), (4753, 28940), (5788, 23765), (6790, 20258), (7235, 19012), (9506, 14470), (10129, 13580)]