2005181570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1\times {\mathrm{877}}^1$

素因数の和:1347

約数の個数: 64

約数和(自身を含む): 4187427840

約数和(自身を除く): 2182246270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 367, 445, 623, 734, 877, 890, 1246, 1754, 1835, 2569, 3115, 3670, 4385, 5138, 6139, 6230, 8770, 12278, 12845, 25690, 30695, 32663, 61390, 65326, 78053, 156106, 163315, 228641, 321859, 326630, 390265, 457282, 546371, 643718, 780530, 1092742, 1143205, 1609295, 2253013, 2286410, 2731855, 3218590, 4506026, 5463710, 11265065, 22530130, 28645451, 57290902, 143227255, 200518157, 286454510, 401036314, 1002590785, 2005181570]

約数ペア:

[(1, 2005181570), (2, 1002590785), (5, 401036314), (7, 286454510), (10, 200518157), (14, 143227255), (35, 57290902), (70, 28645451), (89, 22530130), (178, 11265065), (367, 5463710), (445, 4506026), (623, 3218590), (734, 2731855), (877, 2286410), (890, 2253013), (1246, 1609295), (1754, 1143205), (1835, 1092742), (2569, 780530), (3115, 643718), (3670, 546371), (4385, 457282), (5138, 390265), (6139, 326630), (6230, 321859), (8770, 228641), (12278, 163315), (12845, 156106), (25690, 78053), (30695, 65326), (32663, 61390)]