17880380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127717}}^1$

素因数の和:127733

約数の個数: 24

約数和(自身を含む): 42913248

約数和(自身を除く): 25032868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 127717, 255434, 510868, 638585, 894019, 1277170, 1788038, 2554340, 3576076, 4470095, 8940190, 17880380]

約数ペア:

[(1, 17880380), (2, 8940190), (4, 4470095), (5, 3576076), (7, 2554340), (10, 1788038), (14, 1277170), (20, 894019), (28, 638585), (35, 510868), (70, 255434), (140, 127717)]