27438040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13999}}^1$

素因数の和:14024

約数の個数: 48

約数和(自身を含む): 71820000

約数和(自身を除く): 44381960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 13999, 27998, 55996, 69995, 97993, 111992, 139990, 195986, 279980, 391972, 489965, 559960, 685951, 783944, 979930, 1371902, 1959860, 2743804, 3429755, 3919720, 5487608, 6859510, 13719020, 27438040]

約数ペア:

[(1, 27438040), (2, 13719020), (4, 6859510), (5, 5487608), (7, 3919720), (8, 3429755), (10, 2743804), (14, 1959860), (20, 1371902), (28, 979930), (35, 783944), (40, 685951), (49, 559960), (56, 489965), (70, 391972), (98, 279980), (140, 195986), (196, 139990), (245, 111992), (280, 97993), (392, 69995), (490, 55996), (980, 27998), (1960, 13999)]