77488400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1601}}^1$

素因数の和:1641

約数の個数: 90

約数和(自身を含む): 204756426

約数和(自身を除く): 127268026

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 176, 200, 220, 242, 275, 400, 440, 484, 550, 605, 880, 968, 1100, 1210, 1601, 1936, 2200, 2420, 3025, 3202, 4400, 4840, 6050, 6404, 8005, 9680, 12100, 12808, 16010, 17611, 24200, 25616, 32020, 35222, 40025, 48400, 64040, 70444, 80050, 88055, 128080, 140888, 160100, 176110, 193721, 281776, 320200, 352220, 387442, 440275, 640400, 704440, 774884, 880550, 968605, 1408880, 1549768, 1761100, 1937210, 3099536, 3522200, 3874420, 4843025, 7044400, 7748840, 9686050, 15497680, 19372100, 38744200, 77488400]

約数ペア:

[(1, 77488400), (2, 38744200), (4, 19372100), (5, 15497680), (8, 9686050), (10, 7748840), (11, 7044400), (16, 4843025), (20, 3874420), (22, 3522200), (25, 3099536), (40, 1937210), (44, 1761100), (50, 1549768), (55, 1408880), (80, 968605), (88, 880550), (100, 774884), (110, 704440), (121, 640400), (176, 440275), (200, 387442), (220, 352220), (242, 320200), (275, 281776), (400, 193721), (440, 176110), (484, 160100), (550, 140888), (605, 128080), (880, 88055), (968, 80050), (1100, 70444), (1210, 64040), (1601, 48400), (1936, 40025), (2200, 35222), (2420, 32020), (3025, 25616), (3202, 24200), (4400, 17611), (4840, 16010), (6050, 12808), (6404, 12100), (8005, 9680)]