12850180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{349}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 31046400

約数和(自身を除く): 18196220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 349, 526, 698, 1052, 1315, 1396, 1745, 1841, 2443, 2630, 3490, 3682, 4886, 5260, 6980, 7364, 9205, 9772, 12215, 18410, 24430, 36820, 48860, 91787, 183574, 367148, 458935, 642509, 917870, 1285018, 1835740, 2570036, 3212545, 6425090, 12850180]

約数ペア:

[(1, 12850180), (2, 6425090), (4, 3212545), (5, 2570036), (7, 1835740), (10, 1285018), (14, 917870), (20, 642509), (28, 458935), (35, 367148), (70, 183574), (140, 91787), (263, 48860), (349, 36820), (526, 24430), (698, 18410), (1052, 12215), (1315, 9772), (1396, 9205), (1745, 7364), (1841, 6980), (2443, 5260), (2630, 4886), (3490, 3682)]