78404470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{340889}}^1$

素因数の和:340919

約数の個数: 16

約数和(自身を含む): 147264480

約数和(自身を除く): 68860010

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 340889, 681778, 1704445, 3408890, 7840447, 15680894, 39202235, 78404470]

約数ペア:

[(1, 78404470), (2, 39202235), (5, 15680894), (10, 7840447), (23, 3408890), (46, 1704445), (115, 681778), (230, 340889)]