28406210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1579}}^1$

素因数の和:1850

約数の個数: 32

約数和(自身を含む): 58700160

約数和(自身を除く): 30293950

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1579, 1799, 2570, 3158, 3598, 7895, 8995, 11053, 15790, 17990, 22106, 55265, 110530, 405803, 811606, 2029015, 2840621, 4058030, 5681242, 14203105, 28406210]

約数ペア:

[(1, 28406210), (2, 14203105), (5, 5681242), (7, 4058030), (10, 2840621), (14, 2029015), (35, 811606), (70, 405803), (257, 110530), (514, 55265), (1285, 22106), (1579, 17990), (1799, 15790), (2570, 11053), (3158, 8995), (3598, 7895)]