680434840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{895309}}^1$

素因数の和:895339

約数の個数: 32

約数和(自身を含む): 1611558000

約数和(自身を除く): 931123160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 895309, 1790618, 3581236, 4476545, 7162472, 8953090, 17010871, 17906180, 34021742, 35812360, 68043484, 85054355, 136086968, 170108710, 340217420, 680434840]

約数ペア:

[(1, 680434840), (2, 340217420), (4, 170108710), (5, 136086968), (8, 85054355), (10, 68043484), (19, 35812360), (20, 34021742), (38, 17906180), (40, 17010871), (76, 8953090), (95, 7162472), (152, 4476545), (190, 3581236), (380, 1790618), (760, 895309)]