8420124.00000000

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2237}}^1$

素因数の和:2410

約数の個数: 48

約数和(自身を含む): 118810944

約数和(自身を除く): 69641684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 2237, 3140, 4396, 4474, 5495, 8948, 10990, 11185, 15659, 21980, 22370, 31318, 44740, 62636, 78295, 156590, 313180, 351209, 702418, 1404836, 1756045, 2458463, 3512090, 4916926, 7024180, 9833852, 12292315, 24584630, 49169260]

約数ペア:

[(1, 49169260), (2, 24584630), (4, 12292315), (5, 9833852), (7, 7024180), (10, 4916926), (14, 3512090), (20, 2458463), (28, 1756045), (35, 1404836), (70, 702418), (140, 351209), (157, 313180), (314, 156590), (628, 78295), (785, 62636), (1099, 44740), (1570, 31318), (2198, 22370), (2237, 21980), (3140, 15659), (4396, 11185), (4474, 10990), (5495, 8948)]