209147680

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:176

約数の個数: 192

約数和(自身を含む): 597542400

約数和(自身を除く): 388394720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 70, 74, 80, 98, 103, 112, 140, 148, 160, 185, 196, 206, 224, 245, 259, 280, 296, 343, 370, 392, 412, 490, 515, 518, 560, 592, 686, 721, 740, 784, 824, 980, 1030, 1036, 1120, 1184, 1295, 1372, 1442, 1480, 1568, 1648, 1715, 1813, 1960, 2060, 2072, 2590, 2744, 2884, 2960, 3296, 3430, 3605, 3626, 3811, 3920, 4120, 4144, 5047, 5180, 5488, 5768, 5920, 6860, 7210, 7252, 7622, 7840, 8240, 8288, 9065, 10094, 10360, 10976, 11536, 12691, 13720, 14420, 14504, 15244, 16480, 18130, 19055, 20188, 20720, 23072, 25235, 25382, 26677, 27440, 28840, 29008, 30488, 35329, 36260, 38110, 40376, 41440, 50470, 50764, 53354, 54880, 57680, 58016, 60976, 63455, 70658, 72520, 76220, 80752, 100940, 101528, 106708, 115360, 121952, 126910, 133385, 141316, 145040, 152440, 161504, 176645, 186739, 201880, 203056, 213416, 253820, 266770, 282632, 290080, 304880, 353290, 373478, 403760, 406112, 426832, 507640, 533540, 565264, 609760, 706580, 746956, 807520, 853664, 933695, 1015280, 1067080, 1130528, 1307173, 1413160, 1493912, 1867390, 2030560, 2134160, 2614346, 2826320, 2987824, 3734780, 4268320, 5228692, 5652640, 5975648, 6535865, 7469560, 10457384, 13071730, 14939120, 20914768, 26143460, 29878240, 41829536, 52286920, 104573840, 209147680]

約数ペア:

[(1, 209147680), (2, 104573840), (4, 52286920), (5, 41829536), (7, 29878240), (8, 26143460), (10, 20914768), (14, 14939120), (16, 13071730), (20, 10457384), (28, 7469560), (32, 6535865), (35, 5975648), (37, 5652640), (40, 5228692), (49, 4268320), (56, 3734780), (70, 2987824), (74, 2826320), (80, 2614346), (98, 2134160), (103, 2030560), (112, 1867390), (140, 1493912), (148, 1413160), (160, 1307173), (185, 1130528), (196, 1067080), (206, 1015280), (224, 933695), (245, 853664), (259, 807520), (280, 746956), (296, 706580), (343, 609760), (370, 565264), (392, 533540), (412, 507640), (490, 426832), (515, 406112), (518, 403760), (560, 373478), (592, 353290), (686, 304880), (721, 290080), (740, 282632), (784, 266770), (824, 253820), (980, 213416), (1030, 203056), (1036, 201880), (1120, 186739), (1184, 176645), (1295, 161504), (1372, 152440), (1442, 145040), (1480, 141316), (1568, 133385), (1648, 126910), (1715, 121952), (1813, 115360), (1960, 106708), (2060, 101528), (2072, 100940), (2590, 80752), (2744, 76220), (2884, 72520), (2960, 70658), (3296, 63455), (3430, 60976), (3605, 58016), (3626, 57680), (3811, 54880), (3920, 53354), (4120, 50764), (4144, 50470), (5047, 41440), (5180, 40376), (5488, 38110), (5768, 36260), (5920, 35329), (6860, 30488), (7210, 29008), (7252, 28840), (7622, 27440), (7840, 26677), (8240, 25382), (8288, 25235), (9065, 23072), (10094, 20720), (10360, 20188), (10976, 19055), (11536, 18130), (12691, 16480), (13720, 15244), (14420, 14504)]