208963980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1160911}}^1$

素因数の和:1160926

約数の個数: 36

約数和(自身を含む): 633857952

約数和(自身を除く): 424893972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1160911, 2321822, 3482733, 4643644, 5804555, 6965466, 10448199, 11609110, 13930932, 17413665, 20896398, 23218220, 34827330, 41792796, 52240995, 69654660, 104481990, 208963980]

約数ペア:

[(1, 208963980), (2, 104481990), (3, 69654660), (4, 52240995), (5, 41792796), (6, 34827330), (9, 23218220), (10, 20896398), (12, 17413665), (15, 13930932), (18, 11609110), (20, 10448199), (30, 6965466), (36, 5804555), (45, 4643644), (60, 3482733), (90, 2321822), (180, 1160911)]