4990229020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{367469}}^1$

素因数の和:367582

約数の個数: 48

約数和(自身を含む): 12100052160

約数和(自身を除く): 7109823140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 13580, 367469, 734938, 1469876, 1837345, 2572283, 3674690, 5144566, 7349380, 10289132, 12861415, 25722830, 35644493, 51445660, 71288986, 142577972, 178222465, 249511451, 356444930, 499022902, 712889860, 998045804, 1247557255, 2495114510, 4990229020]

約数ペア:

[(1, 4990229020), (2, 2495114510), (4, 1247557255), (5, 998045804), (7, 712889860), (10, 499022902), (14, 356444930), (20, 249511451), (28, 178222465), (35, 142577972), (70, 71288986), (97, 51445660), (140, 35644493), (194, 25722830), (388, 12861415), (485, 10289132), (679, 7349380), (970, 5144566), (1358, 3674690), (1940, 2572283), (2716, 1837345), (3395, 1469876), (6790, 734938), (13580, 367469)]