228403640

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{20177}}^1$

素因数の和:20471

約数の個数: 32

約数和(自身を含む): 515749680

約数和(自身を除く): 287346040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 20177, 40354, 80708, 100885, 161416, 201770, 403540, 807080, 5710091, 11420182, 22840364, 28550455, 45680728, 57100910, 114201820, 228403640]

約数ペア:

[(1, 228403640), (2, 114201820), (4, 57100910), (5, 45680728), (8, 28550455), (10, 22840364), (20, 11420182), (40, 5710091), (283, 807080), (566, 403540), (1132, 201770), (1415, 161416), (2264, 100885), (2830, 80708), (5660, 40354), (11320, 20177)]