138876800

素因数分解:

$2^7\times 5^2\times {\mathrm{43399}}^1$

素因数の和:43423

約数の個数: 48

約数和(自身を含む): 343077000

約数和(自身を除く): 204200200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 43399, 86798, 173596, 216995, 347192, 433990, 694384, 867980, 1084975, 1388768, 1735960, 2169950, 2777536, 3471920, 4339900, 5555072, 6943840, 8679800, 13887680, 17359600, 27775360, 34719200, 69438400, 138876800]

約数ペア:

[(1, 138876800), (2, 69438400), (4, 34719200), (5, 27775360), (8, 17359600), (10, 13887680), (16, 8679800), (20, 6943840), (25, 5555072), (32, 4339900), (40, 3471920), (50, 2777536), (64, 2169950), (80, 1735960), (100, 1388768), (128, 1084975), (160, 867980), (200, 694384), (320, 433990), (400, 347192), (640, 216995), (800, 173596), (1600, 86798), (3200, 43399)]