78680980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{562007}}^1$

素因数の和:562023

約数の個数: 24

約数和(自身を含む): 188834688

約数和(自身を除く): 110153708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 562007, 1124014, 2248028, 2810035, 3934049, 5620070, 7868098, 11240140, 15736196, 19670245, 39340490, 78680980]

約数ペア:

[(1, 78680980), (2, 39340490), (4, 19670245), (5, 15736196), (7, 11240140), (10, 7868098), (14, 5620070), (20, 3934049), (28, 2810035), (35, 2248028), (70, 1124014), (140, 562007)]