2018455900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{2903}}^1$

素因数の和:3343

約数の個数: 72

約数和(自身を含む): 4650639840

約数和(自身を除く): 2632183940

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 409, 425, 818, 850, 1636, 1700, 2045, 2903, 4090, 5806, 6953, 8180, 10225, 11612, 13906, 14515, 20450, 27812, 29030, 34765, 40900, 49351, 58060, 69530, 72575, 98702, 139060, 145150, 173825, 197404, 246755, 290300, 347650, 493510, 695300, 987020, 1187327, 1233775, 2374654, 2467550, 4749308, 4935100, 5936635, 11873270, 20184559, 23746540, 29683175, 40369118, 59366350, 80738236, 100922795, 118732700, 201845590, 403691180, 504613975, 1009227950, 2018455900]

約数ペア:

[(1, 2018455900), (2, 1009227950), (4, 504613975), (5, 403691180), (10, 201845590), (17, 118732700), (20, 100922795), (25, 80738236), (34, 59366350), (50, 40369118), (68, 29683175), (85, 23746540), (100, 20184559), (170, 11873270), (340, 5936635), (409, 4935100), (425, 4749308), (818, 2467550), (850, 2374654), (1636, 1233775), (1700, 1187327), (2045, 987020), (2903, 695300), (4090, 493510), (5806, 347650), (6953, 290300), (8180, 246755), (10225, 197404), (11612, 173825), (13906, 145150), (14515, 139060), (20450, 98702), (27812, 72575), (29030, 69530), (34765, 58060), (40900, 49351)]