8904980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{63607}}^1$

素因数の和:63623

約数の個数: 24

約数和(自身を含む): 21372288

約数和(自身を除く): 12467308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 63607, 127214, 254428, 318035, 445249, 636070, 890498, 1272140, 1780996, 2226245, 4452490, 8904980]

約数ペア:

[(1, 8904980), (2, 4452490), (4, 2226245), (5, 1780996), (7, 1272140), (10, 890498), (14, 636070), (20, 445249), (28, 318035), (35, 254428), (70, 127214), (140, 63607)]