227955140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{3709}}^1$

素因数の和:4164

約数の個数: 48

約数和(自身を含む): 548486400

約数和(自身を除く): 320531260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439, 878, 1756, 2195, 3073, 3709, 4390, 6146, 7418, 8780, 12292, 14836, 15365, 18545, 25963, 30730, 37090, 51926, 61460, 74180, 103852, 129815, 259630, 519260, 1628251, 3256502, 6513004, 8141255, 11397757, 16282510, 22795514, 32565020, 45591028, 56988785, 113977570, 227955140]

約数ペア:

[(1, 227955140), (2, 113977570), (4, 56988785), (5, 45591028), (7, 32565020), (10, 22795514), (14, 16282510), (20, 11397757), (28, 8141255), (35, 6513004), (70, 3256502), (140, 1628251), (439, 519260), (878, 259630), (1756, 129815), (2195, 103852), (3073, 74180), (3709, 61460), (4390, 51926), (6146, 37090), (7418, 30730), (8780, 25963), (12292, 18545), (14836, 15365)]