205821430

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{188827}}^1$

素因数の和:188943

約数の個数: 16

約数和(自身を含む): 373879440

約数和(自身を除く): 168058010

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 188827, 377654, 944135, 1888270, 20582143, 41164286, 102910715, 205821430]

約数ペア:

[(1, 205821430), (2, 102910715), (5, 41164286), (10, 20582143), (109, 1888270), (218, 944135), (545, 377654), (1090, 188827)]