7729679440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{1971857}}^1$

素因数の和:1971884

約数の個数: 60

約数和(自身を含む): 20905638516

約数和(自身を除く): 13175959076

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 1971857, 3943714, 7887428, 9859285, 13802999, 15774856, 19718570, 27605998, 31549712, 39437140, 55211996, 69014995, 78874280, 96620993, 110423992, 138029990, 157748560, 193241986, 220847984, 276059980, 386483972, 483104965, 552119960, 772967944, 966209930, 1104239920, 1545935888, 1932419860, 3864839720, 7729679440]

約数ペア:

[(1, 7729679440), (2, 3864839720), (4, 1932419860), (5, 1545935888), (7, 1104239920), (8, 966209930), (10, 772967944), (14, 552119960), (16, 483104965), (20, 386483972), (28, 276059980), (35, 220847984), (40, 193241986), (49, 157748560), (56, 138029990), (70, 110423992), (80, 96620993), (98, 78874280), (112, 69014995), (140, 55211996), (196, 39437140), (245, 31549712), (280, 27605998), (392, 19718570), (490, 15774856), (560, 13802999), (784, 9859285), (980, 7887428), (1960, 3943714), (3920, 1971857)]