249472000

素因数分解:

$2^{10}\times 5^3\times {\mathrm{1949}}^1$

素因数の和:1984

約数の個数: 88

約数和(自身を含む): 622697400

約数和(自身を除く): 373225400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 640, 800, 1000, 1024, 1280, 1600, 1949, 2000, 2560, 3200, 3898, 4000, 5120, 6400, 7796, 8000, 9745, 12800, 15592, 16000, 19490, 25600, 31184, 32000, 38980, 48725, 62368, 64000, 77960, 97450, 124736, 128000, 155920, 194900, 243625, 249472, 311840, 389800, 487250, 498944, 623680, 779600, 974500, 997888, 1247360, 1559200, 1949000, 1995776, 2494720, 3118400, 3898000, 4989440, 6236800, 7796000, 9978880, 12473600, 15592000, 24947200, 31184000, 49894400, 62368000, 124736000, 249472000]

約数ペア:

[(1, 249472000), (2, 124736000), (4, 62368000), (5, 49894400), (8, 31184000), (10, 24947200), (16, 15592000), (20, 12473600), (25, 9978880), (32, 7796000), (40, 6236800), (50, 4989440), (64, 3898000), (80, 3118400), (100, 2494720), (125, 1995776), (128, 1949000), (160, 1559200), (200, 1247360), (250, 997888), (256, 974500), (320, 779600), (400, 623680), (500, 498944), (512, 487250), (640, 389800), (800, 311840), (1000, 249472), (1024, 243625), (1280, 194900), (1600, 155920), (1949, 128000), (2000, 124736), (2560, 97450), (3200, 77960), (3898, 64000), (4000, 62368), (5120, 48725), (6400, 38980), (7796, 32000), (8000, 31184), (9745, 25600), (12800, 19490), (15592, 16000)]