2019289412

素因数分解:

$2^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 4169850048

約数和(自身を除く): 2150560636

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 157, 196, 211, 311, 314, 422, 622, 628, 844, 1099, 1244, 1477, 2177, 2198, 2954, 4354, 4396, 5908, 7693, 8708, 10339, 15239, 15386, 20678, 30478, 30772, 33127, 41356, 48827, 60956, 65621, 66254, 97654, 131242, 132508, 195308, 231889, 262484, 341789, 459347, 463778, 683578, 918694, 927556, 1367156, 1623223, 1837388, 2392523, 3215429, 3246446, 4785046, 6430858, 6492892, 9570092, 10302497, 12861716, 20604994, 41209988, 72117479, 144234958, 288469916, 504822353, 1009644706, 2019289412]

約数ペア:

[(1, 2019289412), (2, 1009644706), (4, 504822353), (7, 288469916), (14, 144234958), (28, 72117479), (49, 41209988), (98, 20604994), (157, 12861716), (196, 10302497), (211, 9570092), (311, 6492892), (314, 6430858), (422, 4785046), (622, 3246446), (628, 3215429), (844, 2392523), (1099, 1837388), (1244, 1623223), (1477, 1367156), (2177, 927556), (2198, 918694), (2954, 683578), (4354, 463778), (4396, 459347), (5908, 341789), (7693, 262484), (8708, 231889), (10339, 195308), (15239, 132508), (15386, 131242), (20678, 97654), (30478, 66254), (30772, 65621), (33127, 60956), (41356, 48827)]