380040880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{110477}}^1$

素因数の和:110533

約数の個数: 40

約数和(自身を含む): 904151952

約数和(自身を除く): 524111072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 110477, 220954, 441908, 552385, 883816, 1104770, 1767632, 2209540, 4419080, 4750511, 8838160, 9501022, 19002044, 23752555, 38004088, 47505110, 76008176, 95010220, 190020440, 380040880]

約数ペア:

[(1, 380040880), (2, 190020440), (4, 95010220), (5, 76008176), (8, 47505110), (10, 38004088), (16, 23752555), (20, 19002044), (40, 9501022), (43, 8838160), (80, 4750511), (86, 4419080), (172, 2209540), (215, 1767632), (344, 1104770), (430, 883816), (688, 552385), (860, 441908), (1720, 220954), (3440, 110477)]