1388403400

素因数分解:

$2^3\times 5^2\times {\mathrm{193}}^1\times {\mathrm{35969}}^1$

素因数の和:36178

約数の個数: 48

約数和(自身を含む): 3244853700

約数和(自身を除く): 1856450300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 193, 200, 386, 772, 965, 1544, 1930, 3860, 4825, 7720, 9650, 19300, 35969, 38600, 71938, 143876, 179845, 287752, 359690, 719380, 899225, 1438760, 1798450, 3596900, 6942017, 7193800, 13884034, 27768068, 34710085, 55536136, 69420170, 138840340, 173550425, 277680680, 347100850, 694201700, 1388403400]

約数ペア:

[(1, 1388403400), (2, 694201700), (4, 347100850), (5, 277680680), (8, 173550425), (10, 138840340), (20, 69420170), (25, 55536136), (40, 34710085), (50, 27768068), (100, 13884034), (193, 7193800), (200, 6942017), (386, 3596900), (772, 1798450), (965, 1438760), (1544, 899225), (1930, 719380), (3860, 359690), (4825, 287752), (7720, 179845), (9650, 143876), (19300, 71938), (35969, 38600)]