1199400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{1999}}^1$

素因数の和:2018

約数の個数: 48

約数和(自身を含む): 3720000

約数和(自身を除く): 2520600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 1999, 3998, 5997, 7996, 9995, 11994, 15992, 19990, 23988, 29985, 39980, 47976, 49975, 59970, 79960, 99950, 119940, 149925, 199900, 239880, 299850, 399800, 599700, 1199400]

約数ペア:

[(1, 1199400), (2, 599700), (3, 399800), (4, 299850), (5, 239880), (6, 199900), (8, 149925), (10, 119940), (12, 99950), (15, 79960), (20, 59970), (24, 49975), (25, 47976), (30, 39980), (40, 29985), (50, 23988), (60, 19990), (75, 15992), (100, 11994), (120, 9995), (150, 7996), (200, 5997), (300, 3998), (600, 1999)]