199271680

素因数分解:

$2^8\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1031}}^1$

素因数の和:1203

約数の個数: 72

約数和(自身を含む): 480945024

約数和(自身を除く): 281673344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 256, 302, 320, 604, 640, 755, 1031, 1208, 1280, 1510, 2062, 2416, 3020, 4124, 4832, 5155, 6040, 8248, 9664, 10310, 12080, 16496, 19328, 20620, 24160, 32992, 38656, 41240, 48320, 65984, 82480, 96640, 131968, 155681, 164960, 193280, 263936, 311362, 329920, 622724, 659840, 778405, 1245448, 1319680, 1556810, 2490896, 3113620, 4981792, 6227240, 9963584, 12454480, 19927168, 24908960, 39854336, 49817920, 99635840, 199271680]

約数ペア:

[(1, 199271680), (2, 99635840), (4, 49817920), (5, 39854336), (8, 24908960), (10, 19927168), (16, 12454480), (20, 9963584), (32, 6227240), (40, 4981792), (64, 3113620), (80, 2490896), (128, 1556810), (151, 1319680), (160, 1245448), (256, 778405), (302, 659840), (320, 622724), (604, 329920), (640, 311362), (755, 263936), (1031, 193280), (1208, 164960), (1280, 155681), (1510, 131968), (2062, 96640), (2416, 82480), (3020, 65984), (4124, 48320), (4832, 41240), (5155, 38656), (6040, 32992), (8248, 24160), (9664, 20620), (10310, 19328), (12080, 16496)]