1910900

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:308

約数の個数: 36

約数和(自身を含む): 4210668

約数和(自身を除く): 2299768

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 197, 388, 394, 485, 788, 970, 985, 1940, 1970, 2425, 3940, 4850, 4925, 9700, 9850, 19109, 19700, 38218, 76436, 95545, 191090, 382180, 477725, 955450, 1910900]

約数ペア:

[(1, 1910900), (2, 955450), (4, 477725), (5, 382180), (10, 191090), (20, 95545), (25, 76436), (50, 38218), (97, 19700), (100, 19109), (194, 9850), (197, 9700), (388, 4925), (394, 4850), (485, 3940), (788, 2425), (970, 1970), (985, 1940)]