394972415

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1\times {\mathrm{1999}}^1$

素因数の和:2966

約数の個数: 16

約数和(自身を含む): 485760000

約数和(自身を除く): 90787585

約数列:

[1, 5, 43, 215, 919, 1999, 4595, 9995, 39517, 85957, 197585, 429785, 1837081, 9185405, 78994483, 394972415]

約数ペア:

[(1, 394972415), (5, 78994483), (43, 9185405), (215, 1837081), (919, 429785), (1999, 197585), (4595, 85957), (9995, 39517)]