207990400

素因数分解:

$2^7\times 5^2\times {\mathrm{64997}}^1$

素因数の和:65021

約数の個数: 48

約数和(自身を含む): 513809190

約数和(自身を除く): 305818790

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, 64997, 129994, 259988, 324985, 519976, 649970, 1039952, 1299940, 1624925, 2079904, 2599880, 3249850, 4159808, 5199760, 6499700, 8319616, 10399520, 12999400, 20799040, 25998800, 41598080, 51997600, 103995200, 207990400]

約数ペア:

[(1, 207990400), (2, 103995200), (4, 51997600), (5, 41598080), (8, 25998800), (10, 20799040), (16, 12999400), (20, 10399520), (25, 8319616), (32, 6499700), (40, 5199760), (50, 4159808), (64, 3249850), (80, 2599880), (100, 2079904), (128, 1624925), (160, 1299940), (200, 1039952), (320, 649970), (400, 519976), (640, 324985), (800, 259988), (1600, 129994), (3200, 64997)]