222719980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1590857}}^1$

素因数の和:1590873

約数の個数: 24

約数和(自身を含む): 534528288

約数和(自身を除く): 311808308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1590857, 3181714, 6363428, 7954285, 11135999, 15908570, 22271998, 31817140, 44543996, 55679995, 111359990, 222719980]

約数ペア:

[(1, 222719980), (2, 111359990), (4, 55679995), (5, 44543996), (7, 31817140), (10, 22271998), (14, 15908570), (20, 11135999), (28, 7954285), (35, 6363428), (70, 3181714), (140, 1590857)]