189480440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{205957}}^1$

素因数の和:205991

約数の個数: 32

約数和(自身を含む): 444869280

約数和(自身を除く): 255388840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 205957, 411914, 823828, 1029785, 1647656, 2059570, 4119140, 4737011, 8238280, 9474022, 18948044, 23685055, 37896088, 47370110, 94740220, 189480440]

約数ペア:

[(1, 189480440), (2, 94740220), (4, 47370110), (5, 37896088), (8, 23685055), (10, 18948044), (20, 9474022), (23, 8238280), (40, 4737011), (46, 4119140), (92, 2059570), (115, 1647656), (184, 1029785), (230, 823828), (460, 411914), (920, 205957)]