2799860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2857}}^1$

素因数の和:2880

約数の個数: 36

約数和(自身を含む): 6842052

約数和(自身を除く): 4042192

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2857, 5714, 11428, 14285, 19999, 28570, 39998, 57140, 79996, 99995, 139993, 199990, 279986, 399980, 559972, 699965, 1399930, 2799860]

約数ペア:

[(1, 2799860), (2, 1399930), (4, 699965), (5, 559972), (7, 399980), (10, 279986), (14, 199990), (20, 139993), (28, 99995), (35, 79996), (49, 57140), (70, 39998), (98, 28570), (140, 19999), (196, 14285), (245, 11428), (490, 5714), (980, 2857)]