163940300

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{6379}}^1$

素因数の和:6650

約数の個数: 36

約数和(自身を含む): 357190680

約数和(自身を除く): 193250380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 514, 1028, 1285, 2570, 5140, 6379, 6425, 12758, 12850, 25516, 25700, 31895, 63790, 127580, 159475, 318950, 637900, 1639403, 3278806, 6557612, 8197015, 16394030, 32788060, 40985075, 81970150, 163940300]

約数ペア:

[(1, 163940300), (2, 81970150), (4, 40985075), (5, 32788060), (10, 16394030), (20, 8197015), (25, 6557612), (50, 3278806), (100, 1639403), (257, 637900), (514, 318950), (1028, 159475), (1285, 127580), (2570, 63790), (5140, 31895), (6379, 25700), (6425, 25516), (12758, 12850)]