55972000

素因数分解:

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

素因数の和:2031

約数の個数: 96

約数和(自身を含む): 157248000

約数和(自身を除く): 101276000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 350, 400, 500, 560, 700, 800, 875, 1000, 1120, 1400, 1750, 1999, 2000, 2800, 3500, 3998, 4000, 5600, 7000, 7996, 9995, 13993, 14000, 15992, 19990, 27986, 28000, 31984, 39980, 49975, 55972, 63968, 69965, 79960, 99950, 111944, 139930, 159920, 199900, 223888, 249875, 279860, 319840, 349825, 399800, 447776, 499750, 559720, 699650, 799600, 999500, 1119440, 1399300, 1599200, 1749125, 1999000, 2238880, 2798600, 3498250, 3998000, 5597200, 6996500, 7996000, 11194400, 13993000, 27986000, 55972000]

約数ペア:

[(1, 55972000), (2, 27986000), (4, 13993000), (5, 11194400), (7, 7996000), (8, 6996500), (10, 5597200), (14, 3998000), (16, 3498250), (20, 2798600), (25, 2238880), (28, 1999000), (32, 1749125), (35, 1599200), (40, 1399300), (50, 1119440), (56, 999500), (70, 799600), (80, 699650), (100, 559720), (112, 499750), (125, 447776), (140, 399800), (160, 349825), (175, 319840), (200, 279860), (224, 249875), (250, 223888), (280, 199900), (350, 159920), (400, 139930), (500, 111944), (560, 99950), (700, 79960), (800, 69965), (875, 63968), (1000, 55972), (1120, 49975), (1400, 39980), (1750, 31984), (1999, 28000), (2000, 27986), (2800, 19990), (3500, 15992), (3998, 14000), (4000, 13993), (5600, 9995), (7000, 7996)]