78301580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{559297}}^1$

素因数の和:559313

約数の個数: 24

約数和(自身を含む): 187924128

約数和(自身を除く): 109622548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 559297, 1118594, 2237188, 2796485, 3915079, 5592970, 7830158, 11185940, 15660316, 19575395, 39150790, 78301580]

約数ペア:

[(1, 78301580), (2, 39150790), (4, 19575395), (5, 15660316), (7, 11185940), (10, 7830158), (14, 5592970), (20, 3915079), (28, 2796485), (35, 2237188), (70, 1118594), (140, 559297)]