4290884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 8796480

約数和(自身を除く): 4505596

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 101, 172, 202, 247, 404, 494, 559, 817, 988, 1118, 1313, 1634, 1919, 2236, 2626, 3268, 3838, 4343, 5252, 7676, 8686, 10621, 17372, 21242, 24947, 42484, 49894, 56459, 82517, 99788, 112918, 165034, 225836, 330068, 1072721, 2145442, 4290884]

約数ペア:

[(1, 4290884), (2, 2145442), (4, 1072721), (13, 330068), (19, 225836), (26, 165034), (38, 112918), (43, 99788), (52, 82517), (76, 56459), (86, 49894), (101, 42484), (172, 24947), (202, 21242), (247, 17372), (404, 10621), (494, 8686), (559, 7676), (817, 5252), (988, 4343), (1118, 3838), (1313, 3268), (1634, 2626), (1919, 2236)]