281044270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{30449}}^1$

素因数の和:30540

約数の個数: 32

約数和(自身を含む): 552484800

約数和(自身を除く): 271440530

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 30449, 60898, 152245, 304490, 395837, 791674, 1979185, 2161879, 3958370, 4323758, 10809395, 21618790, 28104427, 56208854, 140522135, 281044270]

約数ペア:

[(1, 281044270), (2, 140522135), (5, 56208854), (10, 28104427), (13, 21618790), (26, 10809395), (65, 4323758), (71, 3958370), (130, 2161879), (142, 1979185), (355, 791674), (710, 395837), (923, 304490), (1846, 152245), (4615, 60898), (9230, 30449)]