198702540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1103903}}^1$

素因数の和:1103918

約数の個数: 36

約数和(自身を含む): 602731584

約数和(自身を除く): 404029044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1103903, 2207806, 3311709, 4415612, 5519515, 6623418, 9935127, 11039030, 13246836, 16558545, 19870254, 22078060, 33117090, 39740508, 49675635, 66234180, 99351270, 198702540]

約数ペア:

[(1, 198702540), (2, 99351270), (3, 66234180), (4, 49675635), (5, 39740508), (6, 33117090), (9, 22078060), (10, 19870254), (12, 16558545), (15, 13246836), (18, 11039030), (20, 9935127), (30, 6623418), (36, 5519515), (45, 4415612), (60, 3311709), (90, 2207806), (180, 1103903)]