2197644920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{504047}}^1$

素因数の和:504167

約数の個数: 32

約数和(自身を含む): 4990075200

約数和(自身を除く): 2792430280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 504047, 1008094, 2016188, 2520235, 4032376, 5040470, 10080940, 20161880, 54941123, 109882246, 219764492, 274705615, 439528984, 549411230, 1098822460, 2197644920]

約数ペア:

[(1, 2197644920), (2, 1098822460), (4, 549411230), (5, 439528984), (8, 274705615), (10, 219764492), (20, 109882246), (40, 54941123), (109, 20161880), (218, 10080940), (436, 5040470), (545, 4032376), (872, 2520235), (1090, 2016188), (2180, 1008094), (4360, 504047)]