171817940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1227271}}^1$

素因数の和:1227287

約数の個数: 24

約数和(自身を含む): 412363392

約数和(自身を除く): 240545452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1227271, 2454542, 4909084, 6136355, 8590897, 12272710, 17181794, 24545420, 34363588, 42954485, 85908970, 171817940]

約数ペア:

[(1, 171817940), (2, 85908970), (4, 42954485), (5, 34363588), (7, 24545420), (10, 17181794), (14, 12272710), (20, 8590897), (28, 6136355), (35, 4909084), (70, 2454542), (140, 1227271)]