38877980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3943}}^1$

素因数の和:3998

約数の個数: 48

約数和(自身を含む): 89449920

約数和(自身を除く): 50571940

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 3943, 4930, 7886, 9860, 15772, 19715, 39430, 67031, 78860, 114347, 134062, 228694, 268124, 335155, 457388, 571735, 670310, 1143470, 1340620, 1943899, 2286940, 3887798, 7775596, 9719495, 19438990, 38877980]

約数ペア:

[(1, 38877980), (2, 19438990), (4, 9719495), (5, 7775596), (10, 3887798), (17, 2286940), (20, 1943899), (29, 1340620), (34, 1143470), (58, 670310), (68, 571735), (85, 457388), (116, 335155), (145, 268124), (170, 228694), (290, 134062), (340, 114347), (493, 78860), (580, 67031), (986, 39430), (1972, 19715), (2465, 15772), (3943, 9860), (4930, 7886)]