200769280

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1439}}^1$

素因数の和:1569

約数の個数: 72

約数和(自身を含む): 485654400

約数和(自身を除く): 284885120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 545, 640, 872, 1090, 1280, 1439, 1744, 2180, 2878, 3488, 4360, 5756, 6976, 7195, 8720, 11512, 13952, 14390, 17440, 23024, 27904, 28780, 34880, 46048, 57560, 69760, 92096, 115120, 139520, 156851, 184192, 230240, 313702, 368384, 460480, 627404, 784255, 920960, 1254808, 1568510, 1841920, 2509616, 3137020, 5019232, 6274040, 10038464, 12548080, 20076928, 25096160, 40153856, 50192320, 100384640, 200769280]

約数ペア:

[(1, 200769280), (2, 100384640), (4, 50192320), (5, 40153856), (8, 25096160), (10, 20076928), (16, 12548080), (20, 10038464), (32, 6274040), (40, 5019232), (64, 3137020), (80, 2509616), (109, 1841920), (128, 1568510), (160, 1254808), (218, 920960), (256, 784255), (320, 627404), (436, 460480), (545, 368384), (640, 313702), (872, 230240), (1090, 184192), (1280, 156851), (1439, 139520), (1744, 115120), (2180, 92096), (2878, 69760), (3488, 57560), (4360, 46048), (5756, 34880), (6976, 28780), (7195, 27904), (8720, 23024), (11512, 17440), (13952, 14390)]