788956420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{12721}}^1$

素因数の和:13180

約数の個数: 48

約数和(自身を含む): 1897918848

約数和(自身を除く): 1108962428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 443, 886, 1772, 2215, 3101, 4430, 6202, 8860, 12404, 12721, 15505, 25442, 31010, 50884, 62020, 63605, 89047, 127210, 178094, 254420, 356188, 445235, 890470, 1780940, 5635403, 11270806, 22541612, 28177015, 39447821, 56354030, 78895642, 112708060, 157791284, 197239105, 394478210, 788956420]

約数ペア:

[(1, 788956420), (2, 394478210), (4, 197239105), (5, 157791284), (7, 112708060), (10, 78895642), (14, 56354030), (20, 39447821), (28, 28177015), (35, 22541612), (70, 11270806), (140, 5635403), (443, 1780940), (886, 890470), (1772, 445235), (2215, 356188), (3101, 254420), (4430, 178094), (6202, 127210), (8860, 89047), (12404, 63605), (12721, 62020), (15505, 50884), (25442, 31010)]