489911140

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{93139}}^1$

素因数の和:93411

約数の個数: 24

約数和(自身を含む): 1032736320

約数和(自身を除く): 542825180

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 93139, 186278, 372556, 465695, 931390, 1862780, 24495557, 48991114, 97982228, 122477785, 244955570, 489911140]

約数ペア:

[(1, 489911140), (2, 244955570), (4, 122477785), (5, 97982228), (10, 48991114), (20, 24495557), (263, 1862780), (526, 931390), (1052, 465695), (1315, 372556), (2630, 186278), (5260, 93139)]