490372220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1886047}}^1$

素因数の和:1886069

約数の個数: 24

約数和(自身を含む): 1108996224

約数和(自身を除く): 618624004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1886047, 3772094, 7544188, 9430235, 18860470, 24518611, 37720940, 49037222, 98074444, 122593055, 245186110, 490372220]

約数ペア:

[(1, 490372220), (2, 245186110), (4, 122593055), (5, 98074444), (10, 49037222), (13, 37720940), (20, 24518611), (26, 18860470), (52, 9430235), (65, 7544188), (130, 3772094), (260, 1886047)]