2455940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 5685120

約数和(自身を除く): 3229180

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 281, 380, 437, 460, 562, 874, 1124, 1405, 1748, 2185, 2810, 4370, 5339, 5620, 6463, 8740, 10678, 12926, 21356, 25852, 26695, 32315, 53390, 64630, 106780, 122797, 129260, 245594, 491188, 613985, 1227970, 2455940]

約数ペア:

[(1, 2455940), (2, 1227970), (4, 613985), (5, 491188), (10, 245594), (19, 129260), (20, 122797), (23, 106780), (38, 64630), (46, 53390), (76, 32315), (92, 26695), (95, 25852), (115, 21356), (190, 12926), (230, 10678), (281, 8740), (380, 6463), (437, 5620), (460, 5339), (562, 4370), (874, 2810), (1124, 2185), (1405, 1748)]