28809620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{205783}}^1$

素因数の和:205799

約数の個数: 24

約数和(自身を含む): 69143424

約数和(自身を除く): 40333804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 205783, 411566, 823132, 1028915, 1440481, 2057830, 2880962, 4115660, 5761924, 7202405, 14404810, 28809620]

約数ペア:

[(1, 28809620), (2, 14404810), (4, 7202405), (5, 5761924), (7, 4115660), (10, 2880962), (14, 2057830), (20, 1440481), (28, 1028915), (35, 823132), (70, 411566), (140, 205783)]