209505280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:154

約数の個数: 176

約数和(自身を含む): 557111520

約数和(自身を除く): 347606240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 83, 85, 116, 128, 136, 145, 160, 166, 170, 232, 256, 272, 290, 320, 332, 340, 415, 464, 493, 512, 544, 580, 640, 664, 680, 830, 928, 986, 1024, 1088, 1160, 1280, 1328, 1360, 1411, 1660, 1856, 1972, 2176, 2320, 2407, 2465, 2560, 2656, 2720, 2822, 3320, 3712, 3944, 4352, 4640, 4814, 4930, 5120, 5312, 5440, 5644, 6640, 7055, 7424, 7888, 8704, 9280, 9628, 9860, 10624, 10880, 11288, 12035, 13280, 14110, 14848, 15776, 17408, 18560, 19256, 19720, 21248, 21760, 22576, 24070, 26560, 28220, 29696, 31552, 37120, 38512, 39440, 40919, 42496, 43520, 45152, 48140, 53120, 56440, 63104, 74240, 77024, 78880, 81838, 84992, 87040, 90304, 96280, 106240, 112880, 126208, 148480, 154048, 157760, 163676, 180608, 192560, 204595, 212480, 225760, 252416, 308096, 315520, 327352, 361216, 385120, 409190, 424960, 451520, 504832, 616192, 631040, 654704, 722432, 770240, 818380, 903040, 1232384, 1262080, 1309408, 1444864, 1540480, 1636760, 1806080, 2464768, 2524160, 2618816, 3080960, 3273520, 3612160, 5237632, 6161920, 6547040, 7224320, 10475264, 12323840, 13094080, 20950528, 26188160, 41901056, 52376320, 104752640, 209505280]

約数ペア:

[(1, 209505280), (2, 104752640), (4, 52376320), (5, 41901056), (8, 26188160), (10, 20950528), (16, 13094080), (17, 12323840), (20, 10475264), (29, 7224320), (32, 6547040), (34, 6161920), (40, 5237632), (58, 3612160), (64, 3273520), (68, 3080960), (80, 2618816), (83, 2524160), (85, 2464768), (116, 1806080), (128, 1636760), (136, 1540480), (145, 1444864), (160, 1309408), (166, 1262080), (170, 1232384), (232, 903040), (256, 818380), (272, 770240), (290, 722432), (320, 654704), (332, 631040), (340, 616192), (415, 504832), (464, 451520), (493, 424960), (512, 409190), (544, 385120), (580, 361216), (640, 327352), (664, 315520), (680, 308096), (830, 252416), (928, 225760), (986, 212480), (1024, 204595), (1088, 192560), (1160, 180608), (1280, 163676), (1328, 157760), (1360, 154048), (1411, 148480), (1660, 126208), (1856, 112880), (1972, 106240), (2176, 96280), (2320, 90304), (2407, 87040), (2465, 84992), (2560, 81838), (2656, 78880), (2720, 77024), (2822, 74240), (3320, 63104), (3712, 56440), (3944, 53120), (4352, 48140), (4640, 45152), (4814, 43520), (4930, 42496), (5120, 40919), (5312, 39440), (5440, 38512), (5644, 37120), (6640, 31552), (7055, 29696), (7424, 28220), (7888, 26560), (8704, 24070), (9280, 22576), (9628, 21760), (9860, 21248), (10624, 19720), (10880, 19256), (11288, 18560), (12035, 17408), (13280, 15776), (14110, 14848)]