198064400

素因数分解:

$2^4\times 5^2\times {\mathrm{495161}}^1$

素因数の和:495179

約数の個数: 30

約数和(自身を含む): 475850682

約数和(自身を除く): 277786282

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 495161, 990322, 1980644, 2475805, 3961288, 4951610, 7922576, 9903220, 12379025, 19806440, 24758050, 39612880, 49516100, 99032200, 198064400]

約数ペア:

[(1, 198064400), (2, 99032200), (4, 49516100), (5, 39612880), (8, 24758050), (10, 19806440), (16, 12379025), (20, 9903220), (25, 7922576), (40, 4951610), (50, 3961288), (80, 2475805), (100, 1980644), (200, 990322), (400, 495161)]