3078460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1999}}^1$

素因数の和:2026

約数の個数: 48

約数和(自身を含む): 8064000

約数和(自身を除く): 4985540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1999, 3998, 7996, 9995, 13993, 19990, 21989, 27986, 39980, 43978, 55972, 69965, 87956, 109945, 139930, 153923, 219890, 279860, 307846, 439780, 615692, 769615, 1539230, 3078460]

約数ペア:

[(1, 3078460), (2, 1539230), (4, 769615), (5, 615692), (7, 439780), (10, 307846), (11, 279860), (14, 219890), (20, 153923), (22, 139930), (28, 109945), (35, 87956), (44, 69965), (55, 55972), (70, 43978), (77, 39980), (110, 27986), (140, 21989), (154, 19990), (220, 13993), (308, 9995), (385, 7996), (770, 3998), (1540, 1999)]