30784600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1999}}^1$

素因数の和:2033

約数の個数: 96

約数和(自身を含む): 89280000

約数和(自身を除く): 58495400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 140, 154, 175, 200, 220, 275, 280, 308, 350, 385, 440, 550, 616, 700, 770, 1100, 1400, 1540, 1925, 1999, 2200, 3080, 3850, 3998, 7700, 7996, 9995, 13993, 15400, 15992, 19990, 21989, 27986, 39980, 43978, 49975, 55972, 69965, 79960, 87956, 99950, 109945, 111944, 139930, 153923, 175912, 199900, 219890, 279860, 307846, 349825, 399800, 439780, 549725, 559720, 615692, 699650, 769615, 879560, 1099450, 1231384, 1399300, 1539230, 2198900, 2798600, 3078460, 3848075, 4397800, 6156920, 7696150, 15392300, 30784600]

約数ペア:

[(1, 30784600), (2, 15392300), (4, 7696150), (5, 6156920), (7, 4397800), (8, 3848075), (10, 3078460), (11, 2798600), (14, 2198900), (20, 1539230), (22, 1399300), (25, 1231384), (28, 1099450), (35, 879560), (40, 769615), (44, 699650), (50, 615692), (55, 559720), (56, 549725), (70, 439780), (77, 399800), (88, 349825), (100, 307846), (110, 279860), (140, 219890), (154, 199900), (175, 175912), (200, 153923), (220, 139930), (275, 111944), (280, 109945), (308, 99950), (350, 87956), (385, 79960), (440, 69965), (550, 55972), (616, 49975), (700, 43978), (770, 39980), (1100, 27986), (1400, 21989), (1540, 19990), (1925, 15992), (1999, 15400), (2200, 13993), (3080, 9995), (3850, 7996), (3998, 7700)]