291253480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1040191}}^1$

素因数の和:1040209

約数の個数: 32

約数和(自身を含む): 748938240

約数和(自身を除く): 457684760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1040191, 2080382, 4160764, 5200955, 7281337, 8321528, 10401910, 14562674, 20803820, 29125348, 36406685, 41607640, 58250696, 72813370, 145626740, 291253480]

約数ペア:

[(1, 291253480), (2, 145626740), (4, 72813370), (5, 58250696), (7, 41607640), (8, 36406685), (10, 29125348), (14, 20803820), (20, 14562674), (28, 10401910), (35, 8321528), (40, 7281337), (56, 5200955), (70, 4160764), (140, 2080382), (280, 1040191)]