401777880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4931}}^1$

素因数の和:5049

約数の個数: 128

約数和(自身を含む): 1392007680

約数和(自身を除く): 990229800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 388, 420, 485, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1940, 2037, 2328, 2716, 2910, 3395, 3880, 4074, 4931, 5432, 5820, 6790, 8148, 9862, 10185, 11640, 13580, 14793, 16296, 19724, 20370, 24655, 27160, 29586, 34517, 39448, 40740, 49310, 59172, 69034, 73965, 81480, 98620, 103551, 118344, 138068, 147930, 172585, 197240, 207102, 276136, 295860, 345170, 414204, 478307, 517755, 591720, 690340, 828408, 956614, 1035510, 1380680, 1434921, 1913228, 2071020, 2391535, 2869842, 3348149, 3826456, 4142040, 4783070, 5739684, 6696298, 7174605, 9566140, 10044447, 11479368, 13392596, 14349210, 16740745, 19132280, 20088894, 26785192, 28698420, 33481490, 40177788, 50222235, 57396840, 66962980, 80355576, 100444470, 133925960, 200888940, 401777880]

約数ペア:

[(1, 401777880), (2, 200888940), (3, 133925960), (4, 100444470), (5, 80355576), (6, 66962980), (7, 57396840), (8, 50222235), (10, 40177788), (12, 33481490), (14, 28698420), (15, 26785192), (20, 20088894), (21, 19132280), (24, 16740745), (28, 14349210), (30, 13392596), (35, 11479368), (40, 10044447), (42, 9566140), (56, 7174605), (60, 6696298), (70, 5739684), (84, 4783070), (97, 4142040), (105, 3826456), (120, 3348149), (140, 2869842), (168, 2391535), (194, 2071020), (210, 1913228), (280, 1434921), (291, 1380680), (388, 1035510), (420, 956614), (485, 828408), (582, 690340), (679, 591720), (776, 517755), (840, 478307), (970, 414204), (1164, 345170), (1358, 295860), (1455, 276136), (1940, 207102), (2037, 197240), (2328, 172585), (2716, 147930), (2910, 138068), (3395, 118344), (3880, 103551), (4074, 98620), (4931, 81480), (5432, 73965), (5820, 69034), (6790, 59172), (8148, 49310), (9862, 40740), (10185, 39448), (11640, 34517), (13580, 29586), (14793, 27160), (16296, 24655), (19724, 20370)]