2149501960

素因数分解:

$2^3\times 5^1\times {\mathrm{1493}}^1\times {\mathrm{35993}}^1$

素因数の和:37497

約数の個数: 32

約数和(自身を含む): 4839753240

約数和(自身を除く): 2690251280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1493, 2986, 5972, 7465, 11944, 14930, 29860, 35993, 59720, 71986, 143972, 179965, 287944, 359930, 719860, 1439720, 53737549, 107475098, 214950196, 268687745, 429900392, 537375490, 1074750980, 2149501960]

約数ペア:

[(1, 2149501960), (2, 1074750980), (4, 537375490), (5, 429900392), (8, 268687745), (10, 214950196), (20, 107475098), (40, 53737549), (1493, 1439720), (2986, 719860), (5972, 359930), (7465, 287944), (11944, 179965), (14930, 143972), (29860, 71986), (35993, 59720)]