290437840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47149}}^1$

素因数の和:47180

約数の個数: 80

約数和(自身を含む): 841910400

約数和(自身を除く): 551472560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 47149, 94298, 188596, 235745, 330043, 377192, 471490, 518639, 660086, 754384, 942980, 1037278, 1320172, 1650215, 1885960, 2074556, 2593195, 2640344, 3300430, 3630473, 3771920, 4149112, 5186390, 5280688, 6600860, 7260946, 8298224, 10372780, 13201720, 14521892, 18152365, 20745560, 26403440, 29043784, 36304730, 41491120, 58087568, 72609460, 145218920, 290437840]

約数ペア:

[(1, 290437840), (2, 145218920), (4, 72609460), (5, 58087568), (7, 41491120), (8, 36304730), (10, 29043784), (11, 26403440), (14, 20745560), (16, 18152365), (20, 14521892), (22, 13201720), (28, 10372780), (35, 8298224), (40, 7260946), (44, 6600860), (55, 5280688), (56, 5186390), (70, 4149112), (77, 3771920), (80, 3630473), (88, 3300430), (110, 2640344), (112, 2593195), (140, 2074556), (154, 1885960), (176, 1650215), (220, 1320172), (280, 1037278), (308, 942980), (385, 754384), (440, 660086), (560, 518639), (616, 471490), (770, 377192), (880, 330043), (1232, 235745), (1540, 188596), (3080, 94298), (6160, 47149)]