219930800

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{2791}}^1$

素因数の和:3006

約数の個数: 60

約数和(自身を含む): 531256176

約数和(自身を除く): 311325376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 394, 400, 788, 985, 1576, 1970, 2791, 3152, 3940, 4925, 5582, 7880, 9850, 11164, 13955, 15760, 19700, 22328, 27910, 39400, 44656, 55820, 69775, 78800, 111640, 139550, 223280, 279100, 549827, 558200, 1099654, 1116400, 2199308, 2749135, 4398616, 5498270, 8797232, 10996540, 13745675, 21993080, 27491350, 43986160, 54982700, 109965400, 219930800]

約数ペア:

[(1, 219930800), (2, 109965400), (4, 54982700), (5, 43986160), (8, 27491350), (10, 21993080), (16, 13745675), (20, 10996540), (25, 8797232), (40, 5498270), (50, 4398616), (80, 2749135), (100, 2199308), (197, 1116400), (200, 1099654), (394, 558200), (400, 549827), (788, 279100), (985, 223280), (1576, 139550), (1970, 111640), (2791, 78800), (3152, 69775), (3940, 55820), (4925, 44656), (5582, 39400), (7880, 27910), (9850, 22328), (11164, 19700), (13955, 15760)]