4477760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{1999}}^1$

素因数の和:2023

約数の個数: 56

約数和(自身を含む): 12192000

約数和(自身を除く): 7714240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 1999, 2240, 3998, 7996, 9995, 13993, 15992, 19990, 27986, 31984, 39980, 55972, 63968, 69965, 79960, 111944, 127936, 139930, 159920, 223888, 279860, 319840, 447776, 559720, 639680, 895552, 1119440, 2238880, 4477760]

約数ペア:

[(1, 4477760), (2, 2238880), (4, 1119440), (5, 895552), (7, 639680), (8, 559720), (10, 447776), (14, 319840), (16, 279860), (20, 223888), (28, 159920), (32, 139930), (35, 127936), (40, 111944), (56, 79960), (64, 69965), (70, 63968), (80, 55972), (112, 39980), (140, 31984), (160, 27986), (224, 19990), (280, 15992), (320, 13993), (448, 9995), (560, 7996), (1120, 3998), (1999, 2240)]