7485380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 18149376

約数和(自身を除く): 10663996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 421, 508, 635, 842, 889, 1270, 1684, 1778, 2105, 2540, 2947, 3556, 4210, 4445, 5894, 8420, 8890, 11788, 14735, 17780, 29470, 53467, 58940, 106934, 213868, 267335, 374269, 534670, 748538, 1069340, 1497076, 1871345, 3742690, 7485380]

約数ペア:

[(1, 7485380), (2, 3742690), (4, 1871345), (5, 1497076), (7, 1069340), (10, 748538), (14, 534670), (20, 374269), (28, 267335), (35, 213868), (70, 106934), (127, 58940), (140, 53467), (254, 29470), (421, 17780), (508, 14735), (635, 11788), (842, 8890), (889, 8420), (1270, 5894), (1684, 4445), (1778, 4210), (2105, 3556), (2540, 2947)]