218989900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{95213}}^1$

素因数の和:95250

約数の個数: 36

約数和(自身を含む): 495874512

約数和(自身を除く): 276884612

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 95213, 190426, 380852, 476065, 952130, 1904260, 2189899, 2380325, 4379798, 4760650, 8759596, 9521300, 10949495, 21898990, 43797980, 54747475, 109494950, 218989900]

約数ペア:

[(1, 218989900), (2, 109494950), (4, 54747475), (5, 43797980), (10, 21898990), (20, 10949495), (23, 9521300), (25, 8759596), (46, 4760650), (50, 4379798), (92, 2380325), (100, 2189899), (115, 1904260), (230, 952130), (460, 476065), (575, 380852), (1150, 190426), (2300, 95213)]