212228940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:748

約数の個数: 192

約数和(自身を含む): 752467968

約数和(自身を除く): 540239028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 71, 77, 84, 105, 110, 132, 140, 142, 154, 165, 210, 213, 220, 231, 284, 308, 330, 355, 385, 420, 426, 462, 497, 647, 660, 710, 770, 781, 852, 924, 994, 1065, 1155, 1294, 1420, 1491, 1540, 1562, 1941, 1988, 2130, 2310, 2343, 2485, 2588, 2982, 3124, 3235, 3882, 3905, 4260, 4529, 4620, 4686, 4970, 5467, 5964, 6470, 7117, 7455, 7764, 7810, 9058, 9372, 9705, 9940, 10934, 11715, 12940, 13587, 14234, 14910, 15620, 16401, 18116, 19410, 21351, 21868, 22645, 23430, 27174, 27335, 28468, 29820, 32802, 35585, 38820, 42702, 45290, 45937, 46860, 49819, 54348, 54670, 65604, 67935, 71170, 82005, 85404, 90580, 91874, 99638, 106755, 109340, 135870, 137811, 142340, 149457, 164010, 183748, 199276, 213510, 229685, 249095, 271740, 275622, 298914, 321559, 328020, 427020, 459370, 498190, 505307, 551244, 597828, 643118, 689055, 747285, 918740, 964677, 996380, 1010614, 1286236, 1378110, 1494570, 1515921, 1607795, 1929354, 2021228, 2526535, 2756220, 2989140, 3031842, 3215590, 3537149, 3858708, 4823385, 5053070, 6063684, 6431180, 7074298, 7579605, 9646770, 10106140, 10611447, 14148596, 15159210, 17685745, 19293540, 21222894, 30318420, 35371490, 42445788, 53057235, 70742980, 106114470, 212228940]

約数ペア:

[(1, 212228940), (2, 106114470), (3, 70742980), (4, 53057235), (5, 42445788), (6, 35371490), (7, 30318420), (10, 21222894), (11, 19293540), (12, 17685745), (14, 15159210), (15, 14148596), (20, 10611447), (21, 10106140), (22, 9646770), (28, 7579605), (30, 7074298), (33, 6431180), (35, 6063684), (42, 5053070), (44, 4823385), (55, 3858708), (60, 3537149), (66, 3215590), (70, 3031842), (71, 2989140), (77, 2756220), (84, 2526535), (105, 2021228), (110, 1929354), (132, 1607795), (140, 1515921), (142, 1494570), (154, 1378110), (165, 1286236), (210, 1010614), (213, 996380), (220, 964677), (231, 918740), (284, 747285), (308, 689055), (330, 643118), (355, 597828), (385, 551244), (420, 505307), (426, 498190), (462, 459370), (497, 427020), (647, 328020), (660, 321559), (710, 298914), (770, 275622), (781, 271740), (852, 249095), (924, 229685), (994, 213510), (1065, 199276), (1155, 183748), (1294, 164010), (1420, 149457), (1491, 142340), (1540, 137811), (1562, 135870), (1941, 109340), (1988, 106755), (2130, 99638), (2310, 91874), (2343, 90580), (2485, 85404), (2588, 82005), (2982, 71170), (3124, 67935), (3235, 65604), (3882, 54670), (3905, 54348), (4260, 49819), (4529, 46860), (4620, 45937), (4686, 45290), (4970, 42702), (5467, 38820), (5964, 35585), (6470, 32802), (7117, 29820), (7455, 28468), (7764, 27335), (7810, 27174), (9058, 23430), (9372, 22645), (9705, 21868), (9940, 21351), (10934, 19410), (11715, 18116), (12940, 16401), (13587, 15620), (14234, 14910)]