550340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3931}}^1$

素因数の和:3947

約数の個数: 24

約数和(自身を含む): 1321152

約数和(自身を除く): 770812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3931, 7862, 15724, 19655, 27517, 39310, 55034, 78620, 110068, 137585, 275170, 550340]

約数ペア:

[(1, 550340), (2, 275170), (4, 137585), (5, 110068), (7, 78620), (10, 55034), (14, 39310), (20, 27517), (28, 19655), (35, 15724), (70, 7862), (140, 3931)]