78084580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557747}}^1$

素因数の和:557763

約数の個数: 24

約数和(自身を含む): 187403328

約数和(自身を除く): 109318748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557747, 1115494, 2230988, 2788735, 3904229, 5577470, 7808458, 11154940, 15616916, 19521145, 39042290, 78084580]

約数ペア:

[(1, 78084580), (2, 39042290), (4, 19521145), (5, 15616916), (7, 11154940), (10, 7808458), (14, 5577470), (20, 3904229), (28, 2788735), (35, 2230988), (70, 1115494), (140, 557747)]