258406400

素因数分解:

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

素因数の和:149

約数の個数: 216

約数和(自身を含む): 752529960

約数和(自身を除く): 494123560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 103, 112, 128, 140, 160, 175, 196, 200, 206, 224, 245, 256, 280, 320, 350, 392, 400, 412, 448, 490, 512, 515, 560, 640, 700, 721, 784, 800, 824, 896, 980, 1024, 1030, 1120, 1225, 1280, 1400, 1442, 1568, 1600, 1648, 1792, 1960, 2048, 2060, 2240, 2450, 2560, 2575, 2800, 2884, 3136, 3200, 3296, 3584, 3605, 3920, 4120, 4480, 4900, 5047, 5120, 5150, 5600, 5768, 6272, 6400, 6592, 7168, 7210, 7840, 8240, 8960, 9800, 10094, 10240, 10300, 11200, 11536, 12544, 12800, 13184, 14336, 14420, 15680, 16480, 17920, 18025, 19600, 20188, 20600, 22400, 23072, 25088, 25235, 25600, 26368, 28840, 31360, 32960, 35840, 36050, 39200, 40376, 41200, 44800, 46144, 50176, 50470, 51200, 52736, 57680, 62720, 65920, 71680, 72100, 78400, 80752, 82400, 89600, 92288, 100352, 100940, 105472, 115360, 125440, 126175, 131840, 144200, 156800, 161504, 164800, 179200, 184576, 201880, 210944, 230720, 250880, 252350, 263680, 288400, 313600, 323008, 329600, 358400, 369152, 403760, 461440, 501760, 504700, 527360, 576800, 627200, 646016, 659200, 738304, 807520, 922880, 1009400, 1054720, 1153600, 1254400, 1292032, 1318400, 1476608, 1615040, 1845760, 2018800, 2307200, 2508800, 2584064, 2636800, 3230080, 3691520, 4037600, 4614400, 5168128, 5273600, 6460160, 7383040, 8075200, 9228800, 10336256, 12920320, 16150400, 18457600, 25840640, 32300800, 36915200, 51681280, 64601600, 129203200, 258406400]

約数ペア:

[(1, 258406400), (2, 129203200), (4, 64601600), (5, 51681280), (7, 36915200), (8, 32300800), (10, 25840640), (14, 18457600), (16, 16150400), (20, 12920320), (25, 10336256), (28, 9228800), (32, 8075200), (35, 7383040), (40, 6460160), (49, 5273600), (50, 5168128), (56, 4614400), (64, 4037600), (70, 3691520), (80, 3230080), (98, 2636800), (100, 2584064), (103, 2508800), (112, 2307200), (128, 2018800), (140, 1845760), (160, 1615040), (175, 1476608), (196, 1318400), (200, 1292032), (206, 1254400), (224, 1153600), (245, 1054720), (256, 1009400), (280, 922880), (320, 807520), (350, 738304), (392, 659200), (400, 646016), (412, 627200), (448, 576800), (490, 527360), (512, 504700), (515, 501760), (560, 461440), (640, 403760), (700, 369152), (721, 358400), (784, 329600), (800, 323008), (824, 313600), (896, 288400), (980, 263680), (1024, 252350), (1030, 250880), (1120, 230720), (1225, 210944), (1280, 201880), (1400, 184576), (1442, 179200), (1568, 164800), (1600, 161504), (1648, 156800), (1792, 144200), (1960, 131840), (2048, 126175), (2060, 125440), (2240, 115360), (2450, 105472), (2560, 100940), (2575, 100352), (2800, 92288), (2884, 89600), (3136, 82400), (3200, 80752), (3296, 78400), (3584, 72100), (3605, 71680), (3920, 65920), (4120, 62720), (4480, 57680), (4900, 52736), (5047, 51200), (5120, 50470), (5150, 50176), (5600, 46144), (5768, 44800), (6272, 41200), (6400, 40376), (6592, 39200), (7168, 36050), (7210, 35840), (7840, 32960), (8240, 31360), (8960, 28840), (9800, 26368), (10094, 25600), (10240, 25235), (10300, 25088), (11200, 23072), (11536, 22400), (12544, 20600), (12800, 20188), (13184, 19600), (14336, 18025), (14420, 17920), (15680, 16480)]