213084880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{115807}}^1$

素因数の和:115843

約数の個数: 40

約数和(自身を含む): 516966912

約数和(自身を除く): 303882032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 115807, 231614, 463228, 579035, 926456, 1158070, 1852912, 2316140, 2663561, 4632280, 5327122, 9264560, 10654244, 13317805, 21308488, 26635610, 42616976, 53271220, 106542440, 213084880]

約数ペア:

[(1, 213084880), (2, 106542440), (4, 53271220), (5, 42616976), (8, 26635610), (10, 21308488), (16, 13317805), (20, 10654244), (23, 9264560), (40, 5327122), (46, 4632280), (80, 2663561), (92, 2316140), (115, 1852912), (184, 1158070), (230, 926456), (368, 579035), (460, 463228), (920, 231614), (1840, 115807)]