7480940140

素因数分解:

$2^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{394981}}^1$

素因数の和:395937

約数の個数: 24

約数和(自身を含む): 15726603312

約数和(自身を除く): 8245663172

約数列:

[1, 2, 4, 5, 10, 20, 947, 1894, 3788, 4735, 9470, 18940, 394981, 789962, 1579924, 1974905, 3949810, 7899620, 374047007, 748094014, 1496188028, 1870235035, 3740470070, 7480940140]

約数ペア:

[(1, 7480940140), (2, 3740470070), (4, 1870235035), (5, 1496188028), (10, 748094014), (20, 374047007), (947, 7899620), (1894, 3949810), (3788, 1974905), (4735, 1579924), (9470, 789962), (18940, 394981)]