7140740

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{641}}^1$

素因数の和:1207

約数の個数: 24

約数和(自身を含む): 15045912

約数和(自身を除く): 7905172

約数列:

[1, 2, 4, 5, 10, 20, 557, 641, 1114, 1282, 2228, 2564, 2785, 3205, 5570, 6410, 11140, 12820, 357037, 714074, 1428148, 1785185, 3570370, 7140740]

約数ペア:

[(1, 7140740), (2, 3570370), (4, 1785185), (5, 1428148), (10, 714074), (20, 357037), (557, 12820), (641, 11140), (1114, 6410), (1282, 5570), (2228, 3205), (2564, 2785)]