109199720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389999}}^1$

素因数の和:390017

約数の個数: 32

約数和(自身を含む): 280800000

約数和(自身を除く): 171600280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389999, 779998, 1559996, 1949995, 2729993, 3119992, 3899990, 5459986, 7799980, 10919972, 13649965, 15599960, 21839944, 27299930, 54599860, 109199720]

約数ペア:

[(1, 109199720), (2, 54599860), (4, 27299930), (5, 21839944), (7, 15599960), (8, 13649965), (10, 10919972), (14, 7799980), (20, 5459986), (28, 3899990), (35, 3119992), (40, 2729993), (56, 1949995), (70, 1559996), (140, 779998), (280, 389999)]