1978200670

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1\times {\mathrm{3637}}^1$

素因数の和:4252

約数の個数: 32

約数和(自身を含む): 3601620000

約数和(自身を除く): 1623419330

約数列:

[1, 2, 5, 10, 109, 218, 499, 545, 998, 1090, 2495, 3637, 4990, 7274, 18185, 36370, 54391, 108782, 271955, 396433, 543910, 792866, 1814863, 1982165, 3629726, 3964330, 9074315, 18148630, 197820067, 395640134, 989100335, 1978200670]

約数ペア:

[(1, 1978200670), (2, 989100335), (5, 395640134), (10, 197820067), (109, 18148630), (218, 9074315), (499, 3964330), (545, 3629726), (998, 1982165), (1090, 1814863), (2495, 792866), (3637, 543910), (4990, 396433), (7274, 271955), (18185, 108782), (36370, 54391)]