2005403390

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1\times {\mathrm{2237}}^1$

素因数の和:2972

約数の個数: 32

約数和(自身を含む): 3640706784

約数和(自身を除く): 1635303394

約数列:

[1, 2, 5, 10, 157, 314, 571, 785, 1142, 1570, 2237, 2855, 4474, 5710, 11185, 22370, 89647, 179294, 351209, 448235, 702418, 896470, 1277327, 1756045, 2554654, 3512090, 6386635, 12773270, 200540339, 401080678, 1002701695, 2005403390]

約数ペア:

[(1, 2005403390), (2, 1002701695), (5, 401080678), (10, 200540339), (157, 12773270), (314, 6386635), (571, 3512090), (785, 2554654), (1142, 1756045), (1570, 1277327), (2237, 896470), (2855, 702418), (4474, 448235), (5710, 351209), (11185, 179294), (22370, 89647)]