84181180

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 180351360

約数和(自身を除く): 96170180

約数列:

[1, 2, 4, 5, 10, 20, 107, 139, 214, 278, 283, 428, 535, 556, 566, 695, 1070, 1132, 1390, 1415, 2140, 2780, 2830, 5660, 14873, 29746, 30281, 39337, 59492, 60562, 74365, 78674, 121124, 148730, 151405, 157348, 196685, 297460, 302810, 393370, 605620, 786740, 4209059, 8418118, 16836236, 21045295, 42090590, 84181180]

約数ペア:

[(1, 84181180), (2, 42090590), (4, 21045295), (5, 16836236), (10, 8418118), (20, 4209059), (107, 786740), (139, 605620), (214, 393370), (278, 302810), (283, 297460), (428, 196685), (535, 157348), (556, 151405), (566, 148730), (695, 121124), (1070, 78674), (1132, 74365), (1390, 60562), (1415, 59492), (2140, 39337), (2780, 30281), (2830, 29746), (5660, 14873)]