206564810

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{189509}}^1$

素因数の和:189625

約数の個数: 16

約数和(自身を含む): 375229800

約数和(自身を除く): 168664990

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 189509, 379018, 947545, 1895090, 20656481, 41312962, 103282405, 206564810]

約数ペア:

[(1, 206564810), (2, 103282405), (5, 41312962), (10, 20656481), (109, 1895090), (218, 947545), (545, 379018), (1090, 189509)]