1899080

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 4312440

約数和(自身を除く): 2413360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 241, 394, 482, 788, 964, 985, 1205, 1576, 1928, 1970, 2410, 3940, 4820, 7880, 9640, 47477, 94954, 189908, 237385, 379816, 474770, 949540, 1899080]

約数ペア:

[(1, 1899080), (2, 949540), (4, 474770), (5, 379816), (8, 237385), (10, 189908), (20, 94954), (40, 47477), (197, 9640), (241, 7880), (394, 4820), (482, 3940), (788, 2410), (964, 1970), (985, 1928), (1205, 1576)]