19109200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 51755616

約数和(自身を除く): 32646416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 43, 44, 50, 55, 80, 86, 88, 100, 101, 110, 172, 176, 200, 202, 215, 220, 275, 344, 400, 404, 430, 440, 473, 505, 550, 688, 808, 860, 880, 946, 1010, 1075, 1100, 1111, 1616, 1720, 1892, 2020, 2150, 2200, 2222, 2365, 2525, 3440, 3784, 4040, 4300, 4343, 4400, 4444, 4730, 5050, 5555, 7568, 8080, 8600, 8686, 8888, 9460, 10100, 11110, 11825, 17200, 17372, 17776, 18920, 20200, 21715, 22220, 23650, 27775, 34744, 37840, 40400, 43430, 44440, 47300, 47773, 55550, 69488, 86860, 88880, 94600, 95546, 108575, 111100, 173720, 189200, 191092, 217150, 222200, 238865, 347440, 382184, 434300, 444400, 477730, 764368, 868600, 955460, 1194325, 1737200, 1910920, 2388650, 3821840, 4777300, 9554600, 19109200]

約数ペア:

[(1, 19109200), (2, 9554600), (4, 4777300), (5, 3821840), (8, 2388650), (10, 1910920), (11, 1737200), (16, 1194325), (20, 955460), (22, 868600), (25, 764368), (40, 477730), (43, 444400), (44, 434300), (50, 382184), (55, 347440), (80, 238865), (86, 222200), (88, 217150), (100, 191092), (101, 189200), (110, 173720), (172, 111100), (176, 108575), (200, 95546), (202, 94600), (215, 88880), (220, 86860), (275, 69488), (344, 55550), (400, 47773), (404, 47300), (430, 44440), (440, 43430), (473, 40400), (505, 37840), (550, 34744), (688, 27775), (808, 23650), (860, 22220), (880, 21715), (946, 20200), (1010, 18920), (1075, 17776), (1100, 17372), (1111, 17200), (1616, 11825), (1720, 11110), (1892, 10100), (2020, 9460), (2150, 8888), (2200, 8686), (2222, 8600), (2365, 8080), (2525, 7568), (3440, 5555), (3784, 5050), (4040, 4730), (4300, 4444), (4343, 4400)]