168686140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{52387}}^1$

素因数の和:52426

約数の個数: 48

約数和(自身を含む): 422456832

約数和(自身を除く): 253770692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 52387, 104774, 209548, 261935, 366709, 523870, 733418, 1047740, 1204901, 1466836, 1833545, 2409802, 3667090, 4819604, 6024505, 7334180, 8434307, 12049010, 16868614, 24098020, 33737228, 42171535, 84343070, 168686140]

約数ペア:

[(1, 168686140), (2, 84343070), (4, 42171535), (5, 33737228), (7, 24098020), (10, 16868614), (14, 12049010), (20, 8434307), (23, 7334180), (28, 6024505), (35, 4819604), (46, 3667090), (70, 2409802), (92, 1833545), (115, 1466836), (140, 1204901), (161, 1047740), (230, 733418), (322, 523870), (460, 366709), (644, 261935), (805, 209548), (1610, 104774), (3220, 52387)]