139555420

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{19013}}^1$

素因数の和:19389

約数の個数: 24

約数和(自身を含む): 293880384

約数和(自身を除く): 154324964

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 7340, 19013, 38026, 76052, 95065, 190130, 380260, 6977771, 13955542, 27911084, 34888855, 69777710, 139555420]

約数ペア:

[(1, 139555420), (2, 69777710), (4, 34888855), (5, 27911084), (10, 13955542), (20, 6977771), (367, 380260), (734, 190130), (1468, 95065), (1835, 76052), (3670, 38026), (7340, 19013)]