7728980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{55207}}^1$

素因数の和:55223

約数の個数: 24

約数和(自身を含む): 18549888

約数和(自身を除く): 10820908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 55207, 110414, 220828, 276035, 386449, 552070, 772898, 1104140, 1545796, 1932245, 3864490, 7728980]

約数ペア:

[(1, 7728980), (2, 3864490), (4, 1932245), (5, 1545796), (7, 1104140), (10, 772898), (14, 552070), (20, 386449), (28, 276035), (35, 220828), (70, 110414), (140, 55207)]