168038420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{763811}}^1$

素因数の和:763831

約数の個数: 24

約数和(自身を含む): 384961248

約数和(自身を除く): 216922828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 763811, 1527622, 3055244, 3819055, 7638110, 8401921, 15276220, 16803842, 33607684, 42009605, 84019210, 168038420]

約数ペア:

[(1, 168038420), (2, 84019210), (4, 42009605), (5, 33607684), (10, 16803842), (11, 15276220), (20, 8401921), (22, 7638110), (44, 3819055), (55, 3055244), (110, 1527622), (220, 763811)]