172868390

素因数分解:

$2^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{61519}}^1$

素因数の和:61807

約数の個数: 16

約数和(自身を含む): 312275520

約数和(自身を除く): 139407130

約数列:

[1, 2, 5, 10, 281, 562, 1405, 2810, 61519, 123038, 307595, 615190, 17286839, 34573678, 86434195, 172868390]

約数ペア:

[(1, 172868390), (2, 86434195), (5, 34573678), (10, 17286839), (281, 615190), (562, 307595), (1405, 123038), (2810, 61519)]