209990880

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:532

約数の個数: 288

約数和(自身を含む): 812343168

約数和(自身を除く): 602352288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 162, 165, 176, 180, 198, 216, 220, 240, 243, 264, 270, 288, 297, 324, 330, 352, 360, 396, 405, 432, 440, 480, 486, 491, 495, 528, 540, 594, 648, 660, 720, 792, 810, 864, 880, 891, 972, 982, 990, 1056, 1080, 1188, 1215, 1296, 1320, 1440, 1473, 1485, 1584, 1620, 1760, 1782, 1944, 1964, 1980, 2160, 2376, 2430, 2455, 2592, 2640, 2673, 2946, 2970, 3168, 3240, 3564, 3888, 3928, 3960, 4320, 4419, 4455, 4752, 4860, 4910, 5280, 5346, 5401, 5892, 5940, 6480, 7128, 7365, 7776, 7856, 7920, 8838, 8910, 9504, 9720, 9820, 10692, 10802, 11784, 11880, 12960, 13257, 13365, 14256, 14730, 15712, 15840, 16203, 17676, 17820, 19440, 19640, 21384, 21604, 22095, 23568, 23760, 26514, 26730, 27005, 28512, 29460, 32406, 35352, 35640, 38880, 39280, 39771, 42768, 43208, 44190, 47136, 47520, 48609, 53028, 53460, 54010, 58920, 64812, 66285, 70704, 71280, 78560, 79542, 81015, 85536, 86416, 88380, 97218, 106056, 106920, 108020, 117840, 119313, 129624, 132570, 141408, 142560, 145827, 159084, 162030, 172832, 176760, 194436, 198855, 212112, 213840, 216040, 235680, 238626, 243045, 259248, 265140, 291654, 318168, 324060, 353520, 388872, 397710, 424224, 427680, 432080, 437481, 477252, 486090, 518496, 530280, 583308, 596565, 636336, 648120, 707040, 729135, 777744, 795420, 864160, 874962, 954504, 972180, 1060560, 1166616, 1193130, 1272672, 1296240, 1312443, 1458270, 1555488, 1590840, 1749924, 1909008, 1944360, 2121120, 2187405, 2333232, 2386260, 2592480, 2624886, 2916540, 3181680, 3499848, 3818016, 3888720, 4374810, 4666464, 4772520, 5249772, 5833080, 6363360, 6562215, 6999696, 7777440, 8749620, 9545040, 10499544, 11666160, 13124430, 13999392, 17499240, 19090080, 20999088, 23332320, 26248860, 34998480, 41998176, 52497720, 69996960, 104995440, 209990880]

約数ペア:

[(1, 209990880), (2, 104995440), (3, 69996960), (4, 52497720), (5, 41998176), (6, 34998480), (8, 26248860), (9, 23332320), (10, 20999088), (11, 19090080), (12, 17499240), (15, 13999392), (16, 13124430), (18, 11666160), (20, 10499544), (22, 9545040), (24, 8749620), (27, 7777440), (30, 6999696), (32, 6562215), (33, 6363360), (36, 5833080), (40, 5249772), (44, 4772520), (45, 4666464), (48, 4374810), (54, 3888720), (55, 3818016), (60, 3499848), (66, 3181680), (72, 2916540), (80, 2624886), (81, 2592480), (88, 2386260), (90, 2333232), (96, 2187405), (99, 2121120), (108, 1944360), (110, 1909008), (120, 1749924), (132, 1590840), (135, 1555488), (144, 1458270), (160, 1312443), (162, 1296240), (165, 1272672), (176, 1193130), (180, 1166616), (198, 1060560), (216, 972180), (220, 954504), (240, 874962), (243, 864160), (264, 795420), (270, 777744), (288, 729135), (297, 707040), (324, 648120), (330, 636336), (352, 596565), (360, 583308), (396, 530280), (405, 518496), (432, 486090), (440, 477252), (480, 437481), (486, 432080), (491, 427680), (495, 424224), (528, 397710), (540, 388872), (594, 353520), (648, 324060), (660, 318168), (720, 291654), (792, 265140), (810, 259248), (864, 243045), (880, 238626), (891, 235680), (972, 216040), (982, 213840), (990, 212112), (1056, 198855), (1080, 194436), (1188, 176760), (1215, 172832), (1296, 162030), (1320, 159084), (1440, 145827), (1473, 142560), (1485, 141408), (1584, 132570), (1620, 129624), (1760, 119313), (1782, 117840), (1944, 108020), (1964, 106920), (1980, 106056), (2160, 97218), (2376, 88380), (2430, 86416), (2455, 85536), (2592, 81015), (2640, 79542), (2673, 78560), (2946, 71280), (2970, 70704), (3168, 66285), (3240, 64812), (3564, 58920), (3888, 54010), (3928, 53460), (3960, 53028), (4320, 48609), (4419, 47520), (4455, 47136), (4752, 44190), (4860, 43208), (4910, 42768), (5280, 39771), (5346, 39280), (5401, 38880), (5892, 35640), (5940, 35352), (6480, 32406), (7128, 29460), (7365, 28512), (7776, 27005), (7856, 26730), (7920, 26514), (8838, 23760), (8910, 23568), (9504, 22095), (9720, 21604), (9820, 21384), (10692, 19640), (10802, 19440), (11784, 17820), (11880, 17676), (12960, 16203), (13257, 15840), (13365, 15712), (14256, 14730)]