219403760

素因数分解:

$2^4\times 5^1\times {\mathrm{2742547}}^1$

素因数の和:2742560

約数の個数: 20

約数和(自身を含む): 510113928

約数和(自身を除く): 290710168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2742547, 5485094, 10970188, 13712735, 21940376, 27425470, 43880752, 54850940, 109701880, 219403760]

約数ペア:

[(1, 219403760), (2, 109701880), (4, 54850940), (5, 43880752), (8, 27425470), (10, 21940376), (16, 13712735), (20, 10970188), (40, 5485094), (80, 2742547)]