3919720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13999}}^1$

素因数の和:14017

約数の個数: 32

約数和(自身を含む): 10080000

約数和(自身を除く): 6160280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 13999, 27998, 55996, 69995, 97993, 111992, 139990, 195986, 279980, 391972, 489965, 559960, 783944, 979930, 1959860, 3919720]

約数ペア:

[(1, 3919720), (2, 1959860), (4, 979930), (5, 783944), (7, 559960), (8, 489965), (10, 391972), (14, 279980), (20, 195986), (28, 139990), (35, 111992), (40, 97993), (56, 69995), (70, 55996), (140, 27998), (280, 13999)]