209053980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{387137}}^1$

素因数の和:387155

約数の個数: 48

約数和(自身を含む): 650391840

約数和(自身を除く): 441337860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 387137, 774274, 1161411, 1548548, 1935685, 2322822, 3484233, 3871370, 4645644, 5807055, 6968466, 7742740, 10452699, 11614110, 13936932, 17421165, 20905398, 23228220, 34842330, 41810796, 52263495, 69684660, 104526990, 209053980]

約数ペア:

[(1, 209053980), (2, 104526990), (3, 69684660), (4, 52263495), (5, 41810796), (6, 34842330), (9, 23228220), (10, 20905398), (12, 17421165), (15, 13936932), (18, 11614110), (20, 10452699), (27, 7742740), (30, 6968466), (36, 5807055), (45, 4645644), (54, 3871370), (60, 3484233), (90, 2322822), (108, 1935685), (135, 1548548), (180, 1161411), (270, 774274), (540, 387137)]