338852720

素因数分解:

$2^4\times 5^1\times {\mathrm{4235659}}^1$

素因数の和:4235672

約数の個数: 20

約数和(自身を含む): 787832760

約数和(自身を除く): 448980040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4235659, 8471318, 16942636, 21178295, 33885272, 42356590, 67770544, 84713180, 169426360, 338852720]

約数ペア:

[(1, 338852720), (2, 169426360), (4, 84713180), (5, 67770544), (8, 42356590), (10, 33885272), (16, 21178295), (20, 16942636), (40, 8471318), (80, 4235659)]