223771520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:476

約数の個数: 128

約数和(自身を含む): 616896000

約数和(自身を除く): 393124480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 199, 224, 251, 280, 320, 398, 448, 502, 560, 640, 796, 896, 995, 1004, 1120, 1255, 1393, 1592, 1757, 1990, 2008, 2240, 2510, 2786, 3184, 3514, 3980, 4016, 4480, 5020, 5572, 6368, 6965, 7028, 7960, 8032, 8785, 10040, 11144, 12736, 13930, 14056, 15920, 16064, 17570, 20080, 22288, 25472, 27860, 28112, 31840, 32128, 35140, 40160, 44576, 49949, 55720, 56224, 63680, 70280, 80320, 89152, 99898, 111440, 112448, 127360, 140560, 160640, 178304, 199796, 222880, 224896, 249745, 281120, 349643, 399592, 445760, 499490, 562240, 699286, 799184, 891520, 998980, 1124480, 1398572, 1598368, 1748215, 1997960, 2797144, 3196736, 3496430, 3995920, 5594288, 6393472, 6992860, 7991840, 11188576, 13985720, 15983680, 22377152, 27971440, 31967360, 44754304, 55942880, 111885760, 223771520]

約数ペア:

[(1, 223771520), (2, 111885760), (4, 55942880), (5, 44754304), (7, 31967360), (8, 27971440), (10, 22377152), (14, 15983680), (16, 13985720), (20, 11188576), (28, 7991840), (32, 6992860), (35, 6393472), (40, 5594288), (56, 3995920), (64, 3496430), (70, 3196736), (80, 2797144), (112, 1997960), (128, 1748215), (140, 1598368), (160, 1398572), (199, 1124480), (224, 998980), (251, 891520), (280, 799184), (320, 699286), (398, 562240), (448, 499490), (502, 445760), (560, 399592), (640, 349643), (796, 281120), (896, 249745), (995, 224896), (1004, 222880), (1120, 199796), (1255, 178304), (1393, 160640), (1592, 140560), (1757, 127360), (1990, 112448), (2008, 111440), (2240, 99898), (2510, 89152), (2786, 80320), (3184, 70280), (3514, 63680), (3980, 56224), (4016, 55720), (4480, 49949), (5020, 44576), (5572, 40160), (6368, 35140), (6965, 32128), (7028, 31840), (7960, 28112), (8032, 27860), (8785, 25472), (10040, 22288), (11144, 20080), (12736, 17570), (13930, 16064), (14056, 15920)]