28412860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202949}}^1$

素因数の和:202965

約数の個数: 24

約数和(自身を含む): 68191200

約数和(自身を除く): 39778340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202949, 405898, 811796, 1014745, 1420643, 2029490, 2841286, 4058980, 5682572, 7103215, 14206430, 28412860]

約数ペア:

[(1, 28412860), (2, 14206430), (4, 7103215), (5, 5682572), (7, 4058980), (10, 2841286), (14, 2029490), (20, 1420643), (28, 1014745), (35, 811796), (70, 405898), (140, 202949)]