7720580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{55147}}^1$

素因数の和:55163

約数の個数: 24

約数和(自身を含む): 18529728

約数和(自身を除く): 10809148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 55147, 110294, 220588, 275735, 386029, 551470, 772058, 1102940, 1544116, 1930145, 3860290, 7720580]

約数ペア:

[(1, 7720580), (2, 3860290), (4, 1930145), (5, 1544116), (7, 1102940), (10, 772058), (14, 551470), (20, 386029), (28, 275735), (35, 220588), (70, 110294), (140, 55147)]