394849360

素因数分解:

$2^4\times 5^1\times {\mathrm{4935617}}^1$

素因数の和:4935630

約数の個数: 20

約数和(自身を含む): 918024948

約数和(自身を除く): 523175588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4935617, 9871234, 19742468, 24678085, 39484936, 49356170, 78969872, 98712340, 197424680, 394849360]

約数ペア:

[(1, 394849360), (2, 197424680), (4, 98712340), (5, 78969872), (8, 49356170), (10, 39484936), (16, 24678085), (20, 19742468), (40, 9871234), (80, 4935617)]