289199540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2065711}}^1$

素因数の和:2065727

約数の個数: 24

約数和(自身を含む): 694079232

約数和(自身を除く): 404879692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2065711, 4131422, 8262844, 10328555, 14459977, 20657110, 28919954, 41314220, 57839908, 72299885, 144599770, 289199540]

約数ペア:

[(1, 289199540), (2, 144599770), (4, 72299885), (5, 57839908), (7, 41314220), (10, 28919954), (14, 20657110), (20, 14459977), (28, 10328555), (35, 8262844), (70, 4131422), (140, 2065711)]