221925929720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{7103903}}^1$

素因数の和:7103996

約数の個数: 64

約数和(自身を含む): 552399575040

約数和(自身を除く): 330473645320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 3124, 3905, 6248, 7810, 15620, 31240, 7103903, 14207806, 28415612, 35519515, 56831224, 71039030, 78142933, 142078060, 156285866, 284156120, 312571732, 390714665, 504377113, 625143464, 781429330, 1008754226, 1562858660, 2017508452, 2521885565, 3125717320, 4035016904, 5043771130, 5548148243, 10087542260, 11096296486, 20175084520, 22192592972, 27740741215, 44385185944, 55481482430, 110962964860, 221925929720]

約数ペア:

[(1, 221925929720), (2, 110962964860), (4, 55481482430), (5, 44385185944), (8, 27740741215), (10, 22192592972), (11, 20175084520), (20, 11096296486), (22, 10087542260), (40, 5548148243), (44, 5043771130), (55, 4035016904), (71, 3125717320), (88, 2521885565), (110, 2017508452), (142, 1562858660), (220, 1008754226), (284, 781429330), (355, 625143464), (440, 504377113), (568, 390714665), (710, 312571732), (781, 284156120), (1420, 156285866), (1562, 142078060), (2840, 78142933), (3124, 71039030), (3905, 56831224), (6248, 35519515), (7810, 28415612), (15620, 14207806), (31240, 7103903)]