890392990

素因数分解:

$2^1\times 5^1\times {\mathrm{8669}}^1\times {\mathrm{10271}}^1$

素因数の和:18947

約数の個数: 16

約数和(自身を含む): 1603048320

約数和(自身を除く): 712655330

約数列:

[1, 2, 5, 10, 8669, 10271, 17338, 20542, 43345, 51355, 86690, 102710, 89039299, 178078598, 445196495, 890392990]

約数ペア:

[(1, 890392990), (2, 445196495), (5, 178078598), (10, 89039299), (8669, 102710), (10271, 86690), (17338, 51355), (20542, 43345)]