16826740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{457}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 40626432

約数和(自身を除く): 23799692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 457, 526, 914, 1052, 1315, 1828, 1841, 2285, 2630, 3199, 3682, 4570, 5260, 6398, 7364, 9140, 9205, 12796, 15995, 18410, 31990, 36820, 63980, 120191, 240382, 480764, 600955, 841337, 1201910, 1682674, 2403820, 3365348, 4206685, 8413370, 16826740]

約数ペア:

[(1, 16826740), (2, 8413370), (4, 4206685), (5, 3365348), (7, 2403820), (10, 1682674), (14, 1201910), (20, 841337), (28, 600955), (35, 480764), (70, 240382), (140, 120191), (263, 63980), (457, 36820), (526, 31990), (914, 18410), (1052, 15995), (1315, 12796), (1828, 9205), (1841, 9140), (2285, 7364), (2630, 6398), (3199, 5260), (3682, 4570)]