7278425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 11904000

約数和(自身を除く): 4625575

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 133, 175, 199, 209, 275, 385, 475, 665, 995, 1045, 1393, 1463, 1925, 2189, 3325, 3781, 4975, 5225, 6965, 7315, 10945, 15323, 18905, 26467, 34825, 36575, 41591, 54725, 76615, 94525, 132335, 207955, 291137, 383075, 661675, 1039775, 1455685, 7278425]

約数ペア:

[(1, 7278425), (5, 1455685), (7, 1039775), (11, 661675), (19, 383075), (25, 291137), (35, 207955), (55, 132335), (77, 94525), (95, 76615), (133, 54725), (175, 41591), (199, 36575), (209, 34825), (275, 26467), (385, 18905), (475, 15323), (665, 10945), (995, 7315), (1045, 6965), (1393, 5225), (1463, 4975), (1925, 3781), (2189, 3325)]