7940380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1319}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 19514880

約数和(自身を除く): 11574500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1319, 1505, 2638, 3010, 5276, 6020, 6595, 9233, 13190, 18466, 26380, 36932, 46165, 56717, 92330, 113434, 184660, 226868, 283585, 397019, 567170, 794038, 1134340, 1588076, 1985095, 3970190, 7940380]

約数ペア:

[(1, 7940380), (2, 3970190), (4, 1985095), (5, 1588076), (7, 1134340), (10, 794038), (14, 567170), (20, 397019), (28, 283585), (35, 226868), (43, 184660), (70, 113434), (86, 92330), (140, 56717), (172, 46165), (215, 36932), (301, 26380), (430, 18466), (602, 13190), (860, 9233), (1204, 6595), (1319, 6020), (1505, 5276), (2638, 3010)]