2798600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{1999}}^1$

素因数の和:2022

約数の個数: 48

約数和(自身を含む): 7440000

約数和(自身を除く): 4641400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 1999, 3998, 7996, 9995, 13993, 15992, 19990, 27986, 39980, 49975, 55972, 69965, 79960, 99950, 111944, 139930, 199900, 279860, 349825, 399800, 559720, 699650, 1399300, 2798600]

約数ペア:

[(1, 2798600), (2, 1399300), (4, 699650), (5, 559720), (7, 399800), (8, 349825), (10, 279860), (14, 199900), (20, 139930), (25, 111944), (28, 99950), (35, 79960), (40, 69965), (50, 55972), (56, 49975), (70, 39980), (100, 27986), (140, 19990), (175, 15992), (200, 13993), (280, 9995), (350, 7996), (700, 3998), (1400, 1999)]