128566730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{7603}}^1$

素因数の和:7718

約数の個数: 32

約数和(自身を含む): 246369600

約数和(自身を除く): 117802870

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1691, 3382, 7603, 8455, 15206, 16910, 38015, 76030, 144457, 288914, 676667, 722285, 1353334, 1444570, 3383335, 6766670, 12856673, 25713346, 64283365, 128566730]

約数ペア:

[(1, 128566730), (2, 64283365), (5, 25713346), (10, 12856673), (19, 6766670), (38, 3383335), (89, 1444570), (95, 1353334), (178, 722285), (190, 676667), (445, 288914), (890, 144457), (1691, 76030), (3382, 38015), (7603, 16910), (8455, 15206)]