218790010

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{134227}}^1$

素因数の和:134397

約数の個数: 16

約数和(自身を含む): 396241056

約数和(自身を除く): 177451046

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 134227, 268454, 671135, 1342270, 21879001, 43758002, 109395005, 218790010]

約数ペア:

[(1, 218790010), (2, 109395005), (5, 43758002), (10, 21879001), (163, 1342270), (326, 671135), (815, 268454), (1630, 134227)]