78214400

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1$

素因数の和:149

約数の個数: 162

約数和(自身を含む): 214899006

約数和(自身を除く): 136684606

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 101, 110, 121, 128, 160, 176, 200, 202, 220, 242, 256, 275, 320, 352, 400, 404, 440, 484, 505, 550, 605, 640, 704, 800, 808, 880, 968, 1010, 1100, 1111, 1210, 1280, 1408, 1600, 1616, 1760, 1936, 2020, 2200, 2222, 2420, 2525, 2816, 3025, 3200, 3232, 3520, 3872, 4040, 4400, 4444, 4840, 5050, 5555, 6050, 6400, 6464, 7040, 7744, 8080, 8800, 8888, 9680, 10100, 11110, 12100, 12221, 12928, 14080, 15488, 16160, 17600, 17776, 19360, 20200, 22220, 24200, 24442, 25856, 27775, 30976, 32320, 35200, 35552, 38720, 40400, 44440, 48400, 48884, 55550, 61105, 64640, 70400, 71104, 77440, 80800, 88880, 96800, 97768, 111100, 122210, 129280, 142208, 154880, 161600, 177760, 193600, 195536, 222200, 244420, 284416, 305525, 323200, 355520, 387200, 391072, 444400, 488840, 611050, 646400, 711040, 774400, 782144, 888800, 977680, 1222100, 1422080, 1564288, 1777600, 1955360, 2444200, 3128576, 3555200, 3910720, 4888400, 7110400, 7821440, 9776800, 15642880, 19553600, 39107200, 78214400]

約数ペア:

[(1, 78214400), (2, 39107200), (4, 19553600), (5, 15642880), (8, 9776800), (10, 7821440), (11, 7110400), (16, 4888400), (20, 3910720), (22, 3555200), (25, 3128576), (32, 2444200), (40, 1955360), (44, 1777600), (50, 1564288), (55, 1422080), (64, 1222100), (80, 977680), (88, 888800), (100, 782144), (101, 774400), (110, 711040), (121, 646400), (128, 611050), (160, 488840), (176, 444400), (200, 391072), (202, 387200), (220, 355520), (242, 323200), (256, 305525), (275, 284416), (320, 244420), (352, 222200), (400, 195536), (404, 193600), (440, 177760), (484, 161600), (505, 154880), (550, 142208), (605, 129280), (640, 122210), (704, 111100), (800, 97768), (808, 96800), (880, 88880), (968, 80800), (1010, 77440), (1100, 71104), (1111, 70400), (1210, 64640), (1280, 61105), (1408, 55550), (1600, 48884), (1616, 48400), (1760, 44440), (1936, 40400), (2020, 38720), (2200, 35552), (2222, 35200), (2420, 32320), (2525, 30976), (2816, 27775), (3025, 25856), (3200, 24442), (3232, 24200), (3520, 22220), (3872, 20200), (4040, 19360), (4400, 17776), (4444, 17600), (4840, 16160), (5050, 15488), (5555, 14080), (6050, 12928), (6400, 12221), (6464, 12100), (7040, 11110), (7744, 10100), (8080, 9680), (8800, 8888)]