1972373780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{73651}}^1$

素因数の和:73776

約数の個数: 48

約数和(自身を含む): 4503967104

約数和(自身を除く): 2531593324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1339, 2060, 2678, 5356, 6695, 13390, 26780, 73651, 147302, 294604, 368255, 736510, 957463, 1473020, 1914926, 3829852, 4787315, 7586053, 9574630, 15172106, 19149260, 30344212, 37930265, 75860530, 98618689, 151721060, 197237378, 394474756, 493093445, 986186890, 1972373780]

約数ペア:

[(1, 1972373780), (2, 986186890), (4, 493093445), (5, 394474756), (10, 197237378), (13, 151721060), (20, 98618689), (26, 75860530), (52, 37930265), (65, 30344212), (103, 19149260), (130, 15172106), (206, 9574630), (260, 7586053), (412, 4787315), (515, 3829852), (1030, 1914926), (1339, 1473020), (2060, 957463), (2678, 736510), (5356, 368255), (6695, 294604), (13390, 147302), (26780, 73651)]