190020440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{110477}}^1$

素因数の和:110531

約数の個数: 32

約数和(自身を含む): 437492880

約数和(自身を除く): 247472440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 110477, 220954, 441908, 552385, 883816, 1104770, 2209540, 4419080, 4750511, 9501022, 19002044, 23752555, 38004088, 47505110, 95010220, 190020440]

約数ペア:

[(1, 190020440), (2, 95010220), (4, 47505110), (5, 38004088), (8, 23752555), (10, 19002044), (20, 9501022), (40, 4750511), (43, 4419080), (86, 2209540), (172, 1104770), (215, 883816), (344, 552385), (430, 441908), (860, 220954), (1720, 110477)]