138840340

素因数分解:

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

素因数の和:36171

約数の個数: 24

約数和(自身を含む): 293083560

約数和(自身を除く): 154243220

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 35969, 71938, 143876, 179845, 359690, 719380, 6942017, 13884034, 27768068, 34710085, 69420170, 138840340]

約数ペア:

[(1, 138840340), (2, 69420170), (4, 34710085), (5, 27768068), (10, 13884034), (20, 6942017), (193, 719380), (386, 359690), (772, 179845), (965, 143876), (1930, 71938), (3860, 35969)]