238398340

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{46381}}^1$

素因数の和:46647

約数の個数: 24

約数和(自身を含む): 502595352

約数和(自身を除く): 264197012

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 46381, 92762, 185524, 231905, 463810, 927620, 11919917, 23839834, 47679668, 59599585, 119199170, 238398340]

約数ペア:

[(1, 238398340), (2, 119199170), (4, 59599585), (5, 47679668), (10, 23839834), (20, 11919917), (257, 927620), (514, 463810), (1028, 231905), (1285, 185524), (2570, 92762), (5140, 46381)]