328966400

素因数分解:

$2^8\times 5^2\times 7^2\times {\mathrm{1049}}^1$

素因数の和:1089

約数の個数: 162

約数和(自身を含む): 948083850

約数和(自身を除く): 619117450

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, 112, 128, 140, 160, 175, 196, 200, 224, 245, 256, 280, 320, 350, 392, 400, 448, 490, 560, 640, 700, 784, 800, 896, 980, 1049, 1120, 1225, 1280, 1400, 1568, 1600, 1792, 1960, 2098, 2240, 2450, 2800, 3136, 3200, 3920, 4196, 4480, 4900, 5245, 5600, 6272, 6400, 7343, 7840, 8392, 8960, 9800, 10490, 11200, 12544, 14686, 15680, 16784, 19600, 20980, 22400, 26225, 29372, 31360, 33568, 36715, 39200, 41960, 44800, 51401, 52450, 58744, 62720, 67136, 73430, 78400, 83920, 102802, 104900, 117488, 134272, 146860, 156800, 167840, 183575, 205604, 209800, 234976, 257005, 268544, 293720, 313600, 335680, 367150, 411208, 419600, 469952, 514010, 587440, 671360, 734300, 822416, 839200, 939904, 1028020, 1174880, 1285025, 1342720, 1468600, 1644832, 1678400, 1879808, 2056040, 2349760, 2570050, 2937200, 3289664, 3356800, 4112080, 4699520, 5140100, 5874400, 6579328, 6713600, 8224160, 9399040, 10280200, 11748800, 13158656, 16448320, 20560400, 23497600, 32896640, 41120800, 46995200, 65793280, 82241600, 164483200, 328966400]

約数ペア:

[(1, 328966400), (2, 164483200), (4, 82241600), (5, 65793280), (7, 46995200), (8, 41120800), (10, 32896640), (14, 23497600), (16, 20560400), (20, 16448320), (25, 13158656), (28, 11748800), (32, 10280200), (35, 9399040), (40, 8224160), (49, 6713600), (50, 6579328), (56, 5874400), (64, 5140100), (70, 4699520), (80, 4112080), (98, 3356800), (100, 3289664), (112, 2937200), (128, 2570050), (140, 2349760), (160, 2056040), (175, 1879808), (196, 1678400), (200, 1644832), (224, 1468600), (245, 1342720), (256, 1285025), (280, 1174880), (320, 1028020), (350, 939904), (392, 839200), (400, 822416), (448, 734300), (490, 671360), (560, 587440), (640, 514010), (700, 469952), (784, 419600), (800, 411208), (896, 367150), (980, 335680), (1049, 313600), (1120, 293720), (1225, 268544), (1280, 257005), (1400, 234976), (1568, 209800), (1600, 205604), (1792, 183575), (1960, 167840), (2098, 156800), (2240, 146860), (2450, 134272), (2800, 117488), (3136, 104900), (3200, 102802), (3920, 83920), (4196, 78400), (4480, 73430), (4900, 67136), (5245, 62720), (5600, 58744), (6272, 52450), (6400, 51401), (7343, 44800), (7840, 41960), (8392, 39200), (8960, 36715), (9800, 33568), (10490, 31360), (11200, 29372), (12544, 26225), (14686, 22400), (15680, 20980), (16784, 19600)]