28776860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{205549}}^1$

素因数の和:205565

約数の個数: 24

約数和(自身を含む): 69064800

約数和(自身を除く): 40287940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 205549, 411098, 822196, 1027745, 1438843, 2055490, 2877686, 4110980, 5755372, 7194215, 14388430, 28776860]

約数ペア:

[(1, 28776860), (2, 14388430), (4, 7194215), (5, 5755372), (7, 4110980), (10, 2877686), (14, 2055490), (20, 1438843), (28, 1027745), (35, 822196), (70, 411098), (140, 205549)]