28164400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 120

約数和(自身を含む): 76249584

約数和(自身を除く): 48085184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 37, 40, 44, 50, 55, 74, 80, 88, 100, 110, 148, 173, 176, 185, 200, 220, 275, 296, 346, 370, 400, 407, 440, 550, 592, 692, 740, 814, 865, 880, 925, 1100, 1384, 1480, 1628, 1730, 1850, 1903, 2035, 2200, 2768, 2960, 3256, 3460, 3700, 3806, 4070, 4325, 4400, 6401, 6512, 6920, 7400, 7612, 8140, 8650, 9515, 10175, 12802, 13840, 14800, 15224, 16280, 17300, 19030, 20350, 25604, 30448, 32005, 32560, 34600, 38060, 40700, 47575, 51208, 64010, 69200, 70411, 76120, 81400, 95150, 102416, 128020, 140822, 152240, 160025, 162800, 190300, 256040, 281644, 320050, 352055, 380600, 512080, 563288, 640100, 704110, 761200, 1126576, 1280200, 1408220, 1760275, 2560400, 2816440, 3520550, 5632880, 7041100, 14082200, 28164400]

約数ペア:

[(1, 28164400), (2, 14082200), (4, 7041100), (5, 5632880), (8, 3520550), (10, 2816440), (11, 2560400), (16, 1760275), (20, 1408220), (22, 1280200), (25, 1126576), (37, 761200), (40, 704110), (44, 640100), (50, 563288), (55, 512080), (74, 380600), (80, 352055), (88, 320050), (100, 281644), (110, 256040), (148, 190300), (173, 162800), (176, 160025), (185, 152240), (200, 140822), (220, 128020), (275, 102416), (296, 95150), (346, 81400), (370, 76120), (400, 70411), (407, 69200), (440, 64010), (550, 51208), (592, 47575), (692, 40700), (740, 38060), (814, 34600), (865, 32560), (880, 32005), (925, 30448), (1100, 25604), (1384, 20350), (1480, 19030), (1628, 17300), (1730, 16280), (1850, 15224), (1903, 14800), (2035, 13840), (2200, 12802), (2768, 10175), (2960, 9515), (3256, 8650), (3460, 8140), (3700, 7612), (3806, 7400), (4070, 6920), (4325, 6512), (4400, 6401)]