201099400

素因数分解:

$2^3\times 5^2\times {\mathrm{503}}^1\times {\mathrm{1999}}^1$

素因数の和:2518

約数の個数: 48

約数和(自身を含む): 468720000

約数和(自身を除く): 267620600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 503, 1006, 1999, 2012, 2515, 3998, 4024, 5030, 7996, 9995, 10060, 12575, 15992, 19990, 20120, 25150, 39980, 49975, 50300, 79960, 99950, 100600, 199900, 399800, 1005497, 2010994, 4021988, 5027485, 8043976, 10054970, 20109940, 25137425, 40219880, 50274850, 100549700, 201099400]

約数ペア:

[(1, 201099400), (2, 100549700), (4, 50274850), (5, 40219880), (8, 25137425), (10, 20109940), (20, 10054970), (25, 8043976), (40, 5027485), (50, 4021988), (100, 2010994), (200, 1005497), (503, 399800), (1006, 199900), (1999, 100600), (2012, 99950), (2515, 79960), (3998, 50300), (4024, 49975), (5030, 39980), (7996, 25150), (9995, 20120), (10060, 19990), (12575, 15992)]