205991680

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6997}}^1$

素因数の和:7041

約数の個数: 72

約数和(自身を含む): 514940832

約数和(自身を除く): 308949152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 6997, 7360, 13994, 14720, 27988, 29440, 34985, 55976, 69970, 111952, 139940, 160931, 223904, 279880, 321862, 447808, 559760, 643724, 804655, 895616, 1119520, 1287448, 1609310, 1791232, 2239040, 2574896, 3218620, 4478080, 5149792, 6437240, 8956160, 10299584, 12874480, 20599168, 25748960, 41198336, 51497920, 102995840, 205991680]

約数ペア:

[(1, 205991680), (2, 102995840), (4, 51497920), (5, 41198336), (8, 25748960), (10, 20599168), (16, 12874480), (20, 10299584), (23, 8956160), (32, 6437240), (40, 5149792), (46, 4478080), (64, 3218620), (80, 2574896), (92, 2239040), (115, 1791232), (128, 1609310), (160, 1287448), (184, 1119520), (230, 895616), (256, 804655), (320, 643724), (368, 559760), (460, 447808), (640, 321862), (736, 279880), (920, 223904), (1280, 160931), (1472, 139940), (1840, 111952), (2944, 69970), (3680, 55976), (5888, 34985), (6997, 29440), (7360, 27988), (13994, 14720)]