28713580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{205097}}^1$

素因数の和:205113

約数の個数: 24

約数和(自身を含む): 68912928

約数和(自身を除く): 40199348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 205097, 410194, 820388, 1025485, 1435679, 2050970, 2871358, 4101940, 5742716, 7178395, 14356790, 28713580]

約数ペア:

[(1, 28713580), (2, 14356790), (4, 7178395), (5, 5742716), (7, 4101940), (10, 2871358), (14, 2050970), (20, 1435679), (28, 1025485), (35, 820388), (70, 410194), (140, 205097)]