3821800

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 9022860

約数和(自身を除く): 5201060

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 197, 200, 388, 394, 485, 776, 788, 970, 985, 1576, 1940, 1970, 2425, 3880, 3940, 4850, 4925, 7880, 9700, 9850, 19109, 19400, 19700, 38218, 39400, 76436, 95545, 152872, 191090, 382180, 477725, 764360, 955450, 1910900, 3821800]

約数ペア:

[(1, 3821800), (2, 1910900), (4, 955450), (5, 764360), (8, 477725), (10, 382180), (20, 191090), (25, 152872), (40, 95545), (50, 76436), (97, 39400), (100, 38218), (194, 19700), (197, 19400), (200, 19109), (388, 9850), (394, 9700), (485, 7880), (776, 4925), (788, 4850), (970, 3940), (985, 3880), (1576, 2425), (1940, 1970)]