136431820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{974513}}^1$

素因数の和:974529

約数の個数: 24

約数和(自身を含む): 327436704

約数和(自身を除く): 191004884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 974513, 1949026, 3898052, 4872565, 6821591, 9745130, 13643182, 19490260, 27286364, 34107955, 68215910, 136431820]

約数ペア:

[(1, 136431820), (2, 68215910), (4, 34107955), (5, 27286364), (7, 19490260), (10, 13643182), (14, 9745130), (20, 6821591), (28, 4872565), (35, 3898052), (70, 1949026), (140, 974513)]