90782140

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 194568192

約数和(自身を除く): 103786052

約数列:

[1, 2, 4, 5, 10, 20, 103, 127, 206, 254, 347, 412, 508, 515, 635, 694, 1030, 1270, 1388, 1735, 2060, 2540, 3470, 6940, 13081, 26162, 35741, 44069, 52324, 65405, 71482, 88138, 130810, 142964, 176276, 178705, 220345, 261620, 357410, 440690, 714820, 881380, 4539107, 9078214, 18156428, 22695535, 45391070, 90782140]

約数ペア:

[(1, 90782140), (2, 45391070), (4, 22695535), (5, 18156428), (10, 9078214), (20, 4539107), (103, 881380), (127, 714820), (206, 440690), (254, 357410), (347, 261620), (412, 220345), (508, 178705), (515, 176276), (635, 142964), (694, 130810), (1030, 88138), (1270, 71482), (1388, 65405), (1735, 52324), (2060, 44069), (2540, 35741), (3470, 26162), (6940, 13081)]