213548800

素因数分解:

$2^8\times 5^2\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:634

約数の個数: 108

約数和(自身を含む): 538213816

約数和(自身を除く): 324665016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 128, 160, 200, 244, 256, 305, 320, 400, 488, 547, 610, 640, 800, 976, 1094, 1220, 1280, 1525, 1600, 1952, 2188, 2440, 2735, 3050, 3200, 3904, 4376, 4880, 5470, 6100, 6400, 7808, 8752, 9760, 10940, 12200, 13675, 15616, 17504, 19520, 21880, 24400, 27350, 33367, 35008, 39040, 43760, 48800, 54700, 66734, 70016, 78080, 87520, 97600, 109400, 133468, 140032, 166835, 175040, 195200, 218800, 266936, 333670, 350080, 390400, 437600, 533872, 667340, 700160, 834175, 875200, 1067744, 1334680, 1668350, 1750400, 2135488, 2669360, 3336700, 3500800, 4270976, 5338720, 6673400, 8541952, 10677440, 13346800, 21354880, 26693600, 42709760, 53387200, 106774400, 213548800]

約数ペア:

[(1, 213548800), (2, 106774400), (4, 53387200), (5, 42709760), (8, 26693600), (10, 21354880), (16, 13346800), (20, 10677440), (25, 8541952), (32, 6673400), (40, 5338720), (50, 4270976), (61, 3500800), (64, 3336700), (80, 2669360), (100, 2135488), (122, 1750400), (128, 1668350), (160, 1334680), (200, 1067744), (244, 875200), (256, 834175), (305, 700160), (320, 667340), (400, 533872), (488, 437600), (547, 390400), (610, 350080), (640, 333670), (800, 266936), (976, 218800), (1094, 195200), (1220, 175040), (1280, 166835), (1525, 140032), (1600, 133468), (1952, 109400), (2188, 97600), (2440, 87520), (2735, 78080), (3050, 70016), (3200, 66734), (3904, 54700), (4376, 48800), (4880, 43760), (5470, 39040), (6100, 35008), (6400, 33367), (7808, 27350), (8752, 24400), (9760, 21880), (10940, 19520), (12200, 17504), (13675, 15616)]