78800770

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2707}}^1$

素因数の和:2826

約数の個数: 32

約数和(自身を含む): 147401856

約数和(自身を除く): 68601086

約数列:

[1, 2, 5, 10, 41, 71, 82, 142, 205, 355, 410, 710, 2707, 2911, 5414, 5822, 13535, 14555, 27070, 29110, 110987, 192197, 221974, 384394, 554935, 960985, 1109870, 1921970, 7880077, 15760154, 39400385, 78800770]

約数ペア:

[(1, 78800770), (2, 39400385), (5, 15760154), (10, 7880077), (41, 1921970), (71, 1109870), (82, 960985), (142, 554935), (205, 384394), (355, 221974), (410, 192197), (710, 110987), (2707, 29110), (2911, 27070), (5414, 14555), (5822, 13535)]