222787010

素因数分解:

$2^1\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{20089}}^1$

素因数の和:21205

約数の個数: 16

約数和(自身を含む): 401398200

約数和(自身を除く): 178611190

約数列:

[1, 2, 5, 10, 1109, 2218, 5545, 11090, 20089, 40178, 100445, 200890, 22278701, 44557402, 111393505, 222787010]

約数ペア:

[(1, 222787010), (2, 111393505), (5, 44557402), (10, 22278701), (1109, 200890), (2218, 100445), (5545, 40178), (11090, 20089)]