394077698920

素因数分解:

$2^3\times 5^1\times {\mathrm{38737}}^1\times {\mathrm{254329}}^1$

素因数の和:293077

約数の個数: 32

約数和(自身を含む): 886701198600

約数和(自身を除く): 492623499680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 38737, 77474, 154948, 193685, 254329, 309896, 387370, 508658, 774740, 1017316, 1271645, 1549480, 2034632, 2543290, 5086580, 10173160, 9851942473, 19703884946, 39407769892, 49259712365, 78815539784, 98519424730, 197038849460, 394077698920]

約数ペア:

[(1, 394077698920), (2, 197038849460), (4, 98519424730), (5, 78815539784), (8, 49259712365), (10, 39407769892), (20, 19703884946), (40, 9851942473), (38737, 10173160), (77474, 5086580), (154948, 2543290), (193685, 2034632), (254329, 1549480), (309896, 1271645), (387370, 1017316), (508658, 774740)]