389376540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:497

約数の個数: 216

約数和(自身を含む): 1388539152

約数和(自身を除く): 999162612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 131, 140, 147, 180, 196, 210, 245, 252, 262, 294, 315, 337, 393, 420, 441, 490, 524, 588, 630, 655, 674, 735, 786, 882, 917, 980, 1011, 1179, 1260, 1310, 1348, 1470, 1572, 1685, 1764, 1834, 1965, 2022, 2205, 2358, 2359, 2620, 2751, 2940, 3033, 3370, 3668, 3930, 4044, 4410, 4585, 4716, 4718, 5055, 5502, 5895, 6066, 6419, 6740, 7077, 7860, 8253, 8820, 9170, 9436, 10110, 11004, 11790, 11795, 12132, 12838, 13755, 14154, 15165, 16506, 16513, 18340, 19257, 20220, 21231, 23580, 23590, 25676, 27510, 28308, 30330, 32095, 33012, 33026, 35385, 38514, 41265, 42462, 44147, 47180, 49539, 55020, 57771, 60660, 64190, 66052, 70770, 77028, 82530, 82565, 84924, 88294, 96285, 99078, 106155, 115542, 128380, 132441, 141540, 148617, 165060, 165130, 176588, 192570, 198156, 212310, 220735, 231084, 247695, 264882, 288855, 297234, 309029, 330260, 385140, 397323, 424620, 441470, 495390, 529764, 577710, 594468, 618058, 662205, 743085, 794646, 882940, 927087, 990780, 1155420, 1236116, 1324410, 1486170, 1545145, 1589292, 1854174, 1986615, 2163203, 2648820, 2781261, 2972340, 3090290, 3708348, 3973230, 4326406, 4635435, 5562522, 6180580, 6489609, 7946460, 8652812, 9270870, 10816015, 11125044, 12979218, 13906305, 18541740, 19468827, 21632030, 25958436, 27812610, 32448045, 38937654, 43264060, 55625220, 64896090, 77875308, 97344135, 129792180, 194688270, 389376540]

約数ペア:

[(1, 389376540), (2, 194688270), (3, 129792180), (4, 97344135), (5, 77875308), (6, 64896090), (7, 55625220), (9, 43264060), (10, 38937654), (12, 32448045), (14, 27812610), (15, 25958436), (18, 21632030), (20, 19468827), (21, 18541740), (28, 13906305), (30, 12979218), (35, 11125044), (36, 10816015), (42, 9270870), (45, 8652812), (49, 7946460), (60, 6489609), (63, 6180580), (70, 5562522), (84, 4635435), (90, 4326406), (98, 3973230), (105, 3708348), (126, 3090290), (131, 2972340), (140, 2781261), (147, 2648820), (180, 2163203), (196, 1986615), (210, 1854174), (245, 1589292), (252, 1545145), (262, 1486170), (294, 1324410), (315, 1236116), (337, 1155420), (393, 990780), (420, 927087), (441, 882940), (490, 794646), (524, 743085), (588, 662205), (630, 618058), (655, 594468), (674, 577710), (735, 529764), (786, 495390), (882, 441470), (917, 424620), (980, 397323), (1011, 385140), (1179, 330260), (1260, 309029), (1310, 297234), (1348, 288855), (1470, 264882), (1572, 247695), (1685, 231084), (1764, 220735), (1834, 212310), (1965, 198156), (2022, 192570), (2205, 176588), (2358, 165130), (2359, 165060), (2620, 148617), (2751, 141540), (2940, 132441), (3033, 128380), (3370, 115542), (3668, 106155), (3930, 99078), (4044, 96285), (4410, 88294), (4585, 84924), (4716, 82565), (4718, 82530), (5055, 77028), (5502, 70770), (5895, 66052), (6066, 64190), (6419, 60660), (6740, 57771), (7077, 55020), (7860, 49539), (8253, 47180), (8820, 44147), (9170, 42462), (9436, 41265), (10110, 38514), (11004, 35385), (11790, 33026), (11795, 33012), (12132, 32095), (12838, 30330), (13755, 28308), (14154, 27510), (15165, 25676), (16506, 23590), (16513, 23580), (18340, 21231), (19257, 20220)]