78208060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{558629}}^1$

素因数の和:558645

約数の個数: 24

約数和(自身を含む): 187699680

約数和(自身を除く): 109491620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 558629, 1117258, 2234516, 2793145, 3910403, 5586290, 7820806, 11172580, 15641612, 19552015, 39104030, 78208060]

約数ペア:

[(1, 78208060), (2, 39104030), (4, 19552015), (5, 15641612), (7, 11172580), (10, 7820806), (14, 5586290), (20, 3910403), (28, 2793145), (35, 2234516), (70, 1117258), (140, 558629)]