285955880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1021271}}^1$

素因数の和:1021289

約数の個数: 32

約数和(自身を含む): 735315840

約数和(自身を除く): 449359960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1021271, 2042542, 4085084, 5106355, 7148897, 8170168, 10212710, 14297794, 20425420, 28595588, 35744485, 40850840, 57191176, 71488970, 142977940, 285955880]

約数ペア:

[(1, 285955880), (2, 142977940), (4, 71488970), (5, 57191176), (7, 40850840), (8, 35744485), (10, 28595588), (14, 20425420), (20, 14297794), (28, 10212710), (35, 8170168), (40, 7148897), (56, 5106355), (70, 4085084), (140, 2042542), (280, 1021271)]