208947380

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{32957}}^1$

素因数の和:33283

約数の個数: 24

約数和(自身を含む): 440187048

約数和(自身を除く): 231239668

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 32957, 65914, 131828, 164785, 329570, 659140, 10447369, 20894738, 41789476, 52236845, 104473690, 208947380]

約数ペア:

[(1, 208947380), (2, 104473690), (4, 52236845), (5, 41789476), (10, 20894738), (20, 10447369), (317, 659140), (634, 329570), (1268, 164785), (1585, 131828), (3170, 65914), (6340, 32957)]