78412460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{560089}}^1$

素因数の和:560105

約数の個数: 24

約数和(自身を含む): 188190240

約数和(自身を除く): 109777780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 560089, 1120178, 2240356, 2800445, 3920623, 5600890, 7841246, 11201780, 15682492, 19603115, 39206230, 78412460]

約数ペア:

[(1, 78412460), (2, 39206230), (4, 19603115), (5, 15682492), (7, 11201780), (10, 7841246), (14, 5600890), (20, 3920623), (28, 2800445), (35, 2240356), (70, 1120178), (140, 560089)]