13440460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 31046400

約数和(自身を除く): 17605940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 307, 398, 614, 796, 995, 1228, 1535, 1990, 2189, 3070, 3377, 3980, 4378, 6140, 6754, 8756, 10945, 13508, 16885, 21890, 33770, 43780, 61093, 67540, 122186, 244372, 305465, 610930, 672023, 1221860, 1344046, 2688092, 3360115, 6720230, 13440460]

約数ペア:

[(1, 13440460), (2, 6720230), (4, 3360115), (5, 2688092), (10, 1344046), (11, 1221860), (20, 672023), (22, 610930), (44, 305465), (55, 244372), (110, 122186), (199, 67540), (220, 61093), (307, 43780), (398, 33770), (614, 21890), (796, 16885), (995, 13508), (1228, 10945), (1535, 8756), (1990, 6754), (2189, 6140), (3070, 4378), (3377, 3980)]