78423260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4391}}^1$

素因数の和:4466

約数の個数: 48

約数和(自身を含む): 177085440

約数和(自身を除く): 98662180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4391, 4465, 8782, 8930, 17564, 17860, 21955, 43910, 83429, 87820, 166858, 206377, 333716, 412754, 417145, 825508, 834290, 1031885, 1668580, 2063770, 3921163, 4127540, 7842326, 15684652, 19605815, 39211630, 78423260]

約数ペア:

[(1, 78423260), (2, 39211630), (4, 19605815), (5, 15684652), (10, 7842326), (19, 4127540), (20, 3921163), (38, 2063770), (47, 1668580), (76, 1031885), (94, 834290), (95, 825508), (188, 417145), (190, 412754), (235, 333716), (380, 206377), (470, 166858), (893, 87820), (940, 83429), (1786, 43910), (3572, 21955), (4391, 17860), (4465, 17564), (8782, 8930)]