204191820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{7717}}^1$

素因数の和:7749

約数の個数: 144

約数和(自身を含む): 739075680

約数和(自身を除く): 534883860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 7717, 8820, 13230, 15434, 23151, 26460, 30868, 38585, 46302, 54019, 69453, 77170, 92604, 108038, 115755, 138906, 154340, 162057, 208359, 216076, 231510, 270095, 277812, 324114, 347265, 378133, 416718, 463020, 486171, 540190, 648228, 694530, 756266, 810285, 833436, 972342, 1041795, 1080380, 1134399, 1389060, 1458513, 1512532, 1620570, 1890665, 1944684, 2083590, 2268798, 2430855, 2917026, 3241140, 3403197, 3781330, 4167180, 4537596, 4861710, 5671995, 5834052, 6806394, 7292565, 7562660, 9723420, 10209591, 11343990, 13612788, 14585130, 17015985, 20419182, 22687980, 29170260, 34031970, 40838364, 51047955, 68063940, 102095910, 204191820]

約数ペア:

[(1, 204191820), (2, 102095910), (3, 68063940), (4, 51047955), (5, 40838364), (6, 34031970), (7, 29170260), (9, 22687980), (10, 20419182), (12, 17015985), (14, 14585130), (15, 13612788), (18, 11343990), (20, 10209591), (21, 9723420), (27, 7562660), (28, 7292565), (30, 6806394), (35, 5834052), (36, 5671995), (42, 4861710), (45, 4537596), (49, 4167180), (54, 3781330), (60, 3403197), (63, 3241140), (70, 2917026), (84, 2430855), (90, 2268798), (98, 2083590), (105, 1944684), (108, 1890665), (126, 1620570), (135, 1512532), (140, 1458513), (147, 1389060), (180, 1134399), (189, 1080380), (196, 1041795), (210, 972342), (245, 833436), (252, 810285), (270, 756266), (294, 694530), (315, 648228), (378, 540190), (420, 486171), (441, 463020), (490, 416718), (540, 378133), (588, 347265), (630, 324114), (735, 277812), (756, 270095), (882, 231510), (945, 216076), (980, 208359), (1260, 162057), (1323, 154340), (1470, 138906), (1764, 115755), (1890, 108038), (2205, 92604), (2646, 77170), (2940, 69453), (3780, 54019), (4410, 46302), (5292, 38585), (6615, 30868), (7717, 26460), (8820, 23151), (13230, 15434)]