289256740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{628819}}^1$

素因数の和:628851

約数の個数: 24

約数和(自身を含む): 633850560

約数和(自身を除く): 344593820

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 628819, 1257638, 2515276, 3144095, 6288190, 12576380, 14462837, 28925674, 57851348, 72314185, 144628370, 289256740]

約数ペア:

[(1, 289256740), (2, 144628370), (4, 72314185), (5, 57851348), (10, 28925674), (20, 14462837), (23, 12576380), (46, 6288190), (92, 3144095), (115, 2515276), (230, 1257638), (460, 628819)]