28305690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{134789}}^1$

素因数の和:134806

約数の個数: 32

約数和(自身を含む): 77639040

約数和(自身を除く): 49333350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 134789, 269578, 404367, 673945, 808734, 943523, 1347890, 1887046, 2021835, 2830569, 4043670, 4717615, 5661138, 9435230, 14152845, 28305690]

約数ペア:

[(1, 28305690), (2, 14152845), (3, 9435230), (5, 5661138), (6, 4717615), (7, 4043670), (10, 2830569), (14, 2021835), (15, 1887046), (21, 1347890), (30, 943523), (35, 808734), (42, 673945), (70, 404367), (105, 269578), (210, 134789)]