203977980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{377737}}^1$

素因数の和:377755

約数の個数: 48

約数和(自身を含む): 634599840

約数和(自身を除く): 430621860

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, 377737, 755474, 1133211, 1510948, 1888685, 2266422, 3399633, 3777370, 4532844, 5666055, 6799266, 7554740, 10198899, 11332110, 13598532, 16998165, 20397798, 22664220, 33996330, 40795596, 50994495, 67992660, 101988990, 203977980]

約数ペア:

[(1, 203977980), (2, 101988990), (3, 67992660), (4, 50994495), (5, 40795596), (6, 33996330), (9, 22664220), (10, 20397798), (12, 16998165), (15, 13598532), (18, 11332110), (20, 10198899), (27, 7554740), (30, 6799266), (36, 5666055), (45, 4532844), (54, 3777370), (60, 3399633), (90, 2266422), (108, 1888685), (135, 1510948), (180, 1133211), (270, 755474), (540, 377737)]