789746120

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{270461}}^1$

素因数の和:270545

約数の個数: 32

約数和(自身を含む): 1801276920

約数和(自身を除く): 1011530800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 270461, 540922, 1081844, 1352305, 2163688, 2704610, 5409220, 10818440, 19743653, 39487306, 78974612, 98718265, 157949224, 197436530, 394873060, 789746120]

約数ペア:

[(1, 789746120), (2, 394873060), (4, 197436530), (5, 157949224), (8, 98718265), (10, 78974612), (20, 39487306), (40, 19743653), (73, 10818440), (146, 5409220), (292, 2704610), (365, 2163688), (584, 1352305), (730, 1081844), (1460, 540922), (2920, 270461)]