2019873280

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:490

約数の個数: 160

約数和(自身を含む): 5152973760

約数和(自身を除く): 3133100480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 131, 152, 160, 190, 256, 262, 304, 317, 320, 380, 512, 524, 608, 634, 640, 655, 760, 1048, 1216, 1268, 1280, 1310, 1520, 1585, 2096, 2432, 2489, 2536, 2560, 2620, 3040, 3170, 4192, 4864, 4978, 5072, 5240, 6023, 6080, 6340, 8384, 9728, 9956, 10144, 10480, 12046, 12160, 12445, 12680, 16768, 19912, 20288, 20960, 24092, 24320, 24890, 25360, 30115, 33536, 39824, 40576, 41527, 41920, 48184, 48640, 49780, 50720, 60230, 67072, 79648, 81152, 83054, 83840, 96368, 99560, 101440, 120460, 159296, 162304, 166108, 167680, 192736, 199120, 202880, 207635, 240920, 318592, 332216, 335360, 385472, 398240, 405760, 415270, 481840, 637184, 664432, 770944, 789013, 796480, 811520, 830540, 963680, 1274368, 1328864, 1541888, 1578026, 1592960, 1661080, 1927360, 2657728, 3083776, 3156052, 3185920, 3322160, 3854720, 3945065, 5315456, 6312104, 6371840, 6644320, 7709440, 7890130, 10630912, 12624208, 13288640, 15418880, 15780260, 21261824, 25248416, 26577280, 31560520, 50496832, 53154560, 63121040, 100993664, 106309120, 126242080, 201987328, 252484160, 403974656, 504968320, 1009936640, 2019873280]

約数ペア:

[(1, 2019873280), (2, 1009936640), (4, 504968320), (5, 403974656), (8, 252484160), (10, 201987328), (16, 126242080), (19, 106309120), (20, 100993664), (32, 63121040), (38, 53154560), (40, 50496832), (64, 31560520), (76, 26577280), (80, 25248416), (95, 21261824), (128, 15780260), (131, 15418880), (152, 13288640), (160, 12624208), (190, 10630912), (256, 7890130), (262, 7709440), (304, 6644320), (317, 6371840), (320, 6312104), (380, 5315456), (512, 3945065), (524, 3854720), (608, 3322160), (634, 3185920), (640, 3156052), (655, 3083776), (760, 2657728), (1048, 1927360), (1216, 1661080), (1268, 1592960), (1280, 1578026), (1310, 1541888), (1520, 1328864), (1585, 1274368), (2096, 963680), (2432, 830540), (2489, 811520), (2536, 796480), (2560, 789013), (2620, 770944), (3040, 664432), (3170, 637184), (4192, 481840), (4864, 415270), (4978, 405760), (5072, 398240), (5240, 385472), (6023, 335360), (6080, 332216), (6340, 318592), (8384, 240920), (9728, 207635), (9956, 202880), (10144, 199120), (10480, 192736), (12046, 167680), (12160, 166108), (12445, 162304), (12680, 159296), (16768, 120460), (19912, 101440), (20288, 99560), (20960, 96368), (24092, 83840), (24320, 83054), (24890, 81152), (25360, 79648), (30115, 67072), (33536, 60230), (39824, 50720), (40576, 49780), (41527, 48640), (41920, 48184)]