214780970

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{54101}}^1$

素因数の和:54505

約数の個数: 16

約数和(自身を含む): 387586728

約数和(自身を除く): 172805758

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 54101, 108202, 270505, 541010, 21478097, 42956194, 107390485, 214780970]

約数ペア:

[(1, 214780970), (2, 107390485), (5, 42956194), (10, 21478097), (397, 541010), (794, 270505), (1985, 108202), (3970, 54101)]