121005220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{864323}}^1$

素因数の和:864339

約数の個数: 24

約数和(自身を含む): 290412864

約数和(自身を除く): 169407644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 864323, 1728646, 3457292, 4321615, 6050261, 8643230, 12100522, 17286460, 24201044, 30251305, 60502610, 121005220]

約数ペア:

[(1, 121005220), (2, 60502610), (4, 30251305), (5, 24201044), (7, 17286460), (10, 12100522), (14, 8643230), (20, 6050261), (28, 4321615), (35, 3457292), (70, 1728646), (140, 864323)]