1292620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1319}}^1$

素因数の和:1342

約数の個数: 36

約数和(自身を含む): 3160080

約数和(自身を除く): 1867460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1319, 2638, 5276, 6595, 9233, 13190, 18466, 26380, 36932, 46165, 64631, 92330, 129262, 184660, 258524, 323155, 646310, 1292620]

約数ペア:

[(1, 1292620), (2, 646310), (4, 323155), (5, 258524), (7, 184660), (10, 129262), (14, 92330), (20, 64631), (28, 46165), (35, 36932), (49, 26380), (70, 18466), (98, 13190), (140, 9233), (196, 6595), (245, 5276), (490, 2638), (980, 1319)]