338960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:255

約数の個数: 40

約数和(自身を含む): 833280

約数和(自身を除く): 494320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 223, 304, 380, 446, 760, 892, 1115, 1520, 1784, 2230, 3568, 4237, 4460, 8474, 8920, 16948, 17840, 21185, 33896, 42370, 67792, 84740, 169480, 338960]

約数ペア:

[(1, 338960), (2, 169480), (4, 84740), (5, 67792), (8, 42370), (10, 33896), (16, 21185), (19, 17840), (20, 16948), (38, 8920), (40, 8474), (76, 4460), (80, 4237), (95, 3568), (152, 2230), (190, 1784), (223, 1520), (304, 1115), (380, 892), (446, 760)]