254985190

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{171131}}^1$

素因数の和:171287

約数の個数: 16

約数和(自身を含む): 462056400

約数和(自身を除く): 207071210

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 171131, 342262, 855655, 1711310, 25498519, 50997038, 127492595, 254985190]

約数ペア:

[(1, 254985190), (2, 127492595), (5, 50997038), (10, 25498519), (149, 1711310), (298, 855655), (745, 342262), (1490, 171131)]