78624980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{561607}}^1$

素因数の和:561623

約数の個数: 24

約数和(自身を含む): 188700288

約数和(自身を除く): 110075308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 561607, 1123214, 2246428, 2808035, 3931249, 5616070, 7862498, 11232140, 15724996, 19656245, 39312490, 78624980]

約数ペア:

[(1, 78624980), (2, 39312490), (4, 19656245), (5, 15724996), (7, 11232140), (10, 7862498), (14, 5616070), (20, 3931249), (28, 2808035), (35, 2246428), (70, 1123214), (140, 561607)]