2989950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 7666176

約数和(自身を除く): 4676226

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 150, 155, 186, 310, 465, 643, 775, 930, 1286, 1550, 1929, 2325, 3215, 3858, 4650, 6430, 9645, 16075, 19290, 19933, 32150, 39866, 48225, 59799, 96450, 99665, 119598, 199330, 298995, 498325, 597990, 996650, 1494975, 2989950]

約数ペア:

[(1, 2989950), (2, 1494975), (3, 996650), (5, 597990), (6, 498325), (10, 298995), (15, 199330), (25, 119598), (30, 99665), (31, 96450), (50, 59799), (62, 48225), (75, 39866), (93, 32150), (150, 19933), (155, 19290), (186, 16075), (310, 9645), (465, 6430), (643, 4650), (775, 3858), (930, 3215), (1286, 2325), (1550, 1929)]