4398880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1447}}^1$

素因数の和:1481

約数の個数: 48

約数和(自身を含む): 10946880

約数和(自身を除く): 6548000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1447, 1520, 2894, 3040, 5788, 7235, 11576, 14470, 23152, 27493, 28940, 46304, 54986, 57880, 109972, 115760, 137465, 219944, 231520, 274930, 439888, 549860, 879776, 1099720, 2199440, 4398880]

約数ペア:

[(1, 4398880), (2, 2199440), (4, 1099720), (5, 879776), (8, 549860), (10, 439888), (16, 274930), (19, 231520), (20, 219944), (32, 137465), (38, 115760), (40, 109972), (76, 57880), (80, 54986), (95, 46304), (152, 28940), (160, 27493), (190, 23152), (304, 14470), (380, 11576), (608, 7235), (760, 5788), (1447, 3040), (1520, 2894)]