1780511020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{15107}}^1$

素因数の和:15270

約数の個数: 48

約数和(自身を含む): 3837673728

約数和(自身を除く): 2057162708

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 142, 166, 284, 332, 355, 415, 710, 830, 1420, 1660, 5893, 11786, 15107, 23572, 29465, 30214, 58930, 60428, 75535, 117860, 151070, 302140, 1072597, 1253881, 2145194, 2507762, 4290388, 5015524, 5362985, 6269405, 10725970, 12538810, 21451940, 25077620, 89025551, 178051102, 356102204, 445127755, 890255510, 1780511020]

約数ペア:

[(1, 1780511020), (2, 890255510), (4, 445127755), (5, 356102204), (10, 178051102), (20, 89025551), (71, 25077620), (83, 21451940), (142, 12538810), (166, 10725970), (284, 6269405), (332, 5362985), (355, 5015524), (415, 4290388), (710, 2507762), (830, 2145194), (1420, 1253881), (1660, 1072597), (5893, 302140), (11786, 151070), (15107, 117860), (23572, 75535), (29465, 60428), (30214, 58930)]