161570210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1\times {\mathrm{1109}}^1$

素因数の和:1990

約数の個数: 32

約数和(自身を含む): 308571120

約数和(自身を除く): 147000910

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 857, 1109, 1714, 2218, 4285, 5545, 8570, 11090, 14569, 18853, 29138, 37706, 72845, 94265, 145690, 188530, 950413, 1900826, 4752065, 9504130, 16157021, 32314042, 80785105, 161570210]

約数ペア:

[(1, 161570210), (2, 80785105), (5, 32314042), (10, 16157021), (17, 9504130), (34, 4752065), (85, 1900826), (170, 950413), (857, 188530), (1109, 145690), (1714, 94265), (2218, 72845), (4285, 37706), (5545, 29138), (8570, 18853), (11090, 14569)]