2721460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2777}}^1$

素因数の和:2800

約数の個数: 36

約数和(自身を含む): 6650532

約数和(自身を除く): 3929072

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2777, 5554, 11108, 13885, 19439, 27770, 38878, 55540, 77756, 97195, 136073, 194390, 272146, 388780, 544292, 680365, 1360730, 2721460]

約数ペア:

[(1, 2721460), (2, 1360730), (4, 680365), (5, 544292), (7, 388780), (10, 272146), (14, 194390), (20, 136073), (28, 97195), (35, 77756), (49, 55540), (70, 38878), (98, 27770), (140, 19439), (196, 13885), (245, 11108), (490, 5554), (980, 2777)]