2199440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1447}}^1$

素因数の和:1479

約数の個数: 40

約数和(自身を含む): 5386560

約数和(自身を除く): 3187120

約数列:

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

約数ペア:

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