6643420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{6779}}^1$

素因数の和:6802

約数の個数: 36

約数和(自身を含む): 16231320

約数和(自身を除く): 9587900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 6779, 13558, 27116, 33895, 47453, 67790, 94906, 135580, 189812, 237265, 332171, 474530, 664342, 949060, 1328684, 1660855, 3321710, 6643420]

約数ペア:

[(1, 6643420), (2, 3321710), (4, 1660855), (5, 1328684), (7, 949060), (10, 664342), (14, 474530), (20, 332171), (28, 237265), (35, 189812), (49, 135580), (70, 94906), (98, 67790), (140, 47453), (196, 33895), (245, 27116), (490, 13558), (980, 6779)]