217626640

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:155

約数の個数: 200

約数和(自身を含む): 650190528

約数和(自身を除く): 432563888

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 103, 110, 112, 140, 154, 176, 196, 206, 220, 245, 280, 308, 343, 385, 392, 412, 440, 490, 515, 539, 560, 616, 686, 721, 770, 784, 824, 880, 980, 1030, 1078, 1133, 1232, 1372, 1442, 1540, 1648, 1715, 1960, 2060, 2156, 2266, 2401, 2695, 2744, 2884, 3080, 3430, 3605, 3773, 3920, 4120, 4312, 4532, 4802, 5047, 5390, 5488, 5665, 5768, 6160, 6860, 7210, 7546, 7931, 8240, 8624, 9064, 9604, 10094, 10780, 11330, 11536, 12005, 13720, 14420, 15092, 15862, 18128, 18865, 19208, 20188, 21560, 22660, 24010, 25235, 26411, 27440, 28840, 30184, 31724, 35329, 37730, 38416, 39655, 40376, 43120, 45320, 48020, 50470, 52822, 55517, 57680, 60368, 63448, 70658, 75460, 79310, 80752, 90640, 96040, 100940, 105644, 111034, 126896, 132055, 141316, 150920, 158620, 176645, 192080, 201880, 211288, 222068, 247303, 264110, 277585, 282632, 301840, 317240, 353290, 388619, 403760, 422576, 444136, 494606, 528220, 555170, 565264, 634480, 706580, 777238, 888272, 989212, 1056440, 1110340, 1236515, 1413160, 1554476, 1943095, 1978424, 2112880, 2220680, 2473030, 2720333, 2826320, 3108952, 3886190, 3956848, 4441360, 4946060, 5440666, 6217904, 7772380, 9892120, 10881332, 13601665, 15544760, 19784240, 21762664, 27203330, 31089520, 43525328, 54406660, 108813320, 217626640]

約数ペア:

[(1, 217626640), (2, 108813320), (4, 54406660), (5, 43525328), (7, 31089520), (8, 27203330), (10, 21762664), (11, 19784240), (14, 15544760), (16, 13601665), (20, 10881332), (22, 9892120), (28, 7772380), (35, 6217904), (40, 5440666), (44, 4946060), (49, 4441360), (55, 3956848), (56, 3886190), (70, 3108952), (77, 2826320), (80, 2720333), (88, 2473030), (98, 2220680), (103, 2112880), (110, 1978424), (112, 1943095), (140, 1554476), (154, 1413160), (176, 1236515), (196, 1110340), (206, 1056440), (220, 989212), (245, 888272), (280, 777238), (308, 706580), (343, 634480), (385, 565264), (392, 555170), (412, 528220), (440, 494606), (490, 444136), (515, 422576), (539, 403760), (560, 388619), (616, 353290), (686, 317240), (721, 301840), (770, 282632), (784, 277585), (824, 264110), (880, 247303), (980, 222068), (1030, 211288), (1078, 201880), (1133, 192080), (1232, 176645), (1372, 158620), (1442, 150920), (1540, 141316), (1648, 132055), (1715, 126896), (1960, 111034), (2060, 105644), (2156, 100940), (2266, 96040), (2401, 90640), (2695, 80752), (2744, 79310), (2884, 75460), (3080, 70658), (3430, 63448), (3605, 60368), (3773, 57680), (3920, 55517), (4120, 52822), (4312, 50470), (4532, 48020), (4802, 45320), (5047, 43120), (5390, 40376), (5488, 39655), (5665, 38416), (5768, 37730), (6160, 35329), (6860, 31724), (7210, 30184), (7546, 28840), (7931, 27440), (8240, 26411), (8624, 25235), (9064, 24010), (9604, 22660), (10094, 21560), (10780, 20188), (11330, 19208), (11536, 18865), (12005, 18128), (13720, 15862), (14420, 15092)]