211979880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 288

約数和(自身を含む): 818686440

約数和(自身を除く): 606706560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 61, 63, 70, 72, 84, 90, 98, 105, 120, 122, 126, 140, 147, 168, 180, 183, 196, 197, 210, 244, 245, 252, 280, 294, 305, 315, 360, 366, 392, 394, 420, 427, 441, 488, 490, 504, 549, 588, 591, 610, 630, 732, 735, 788, 840, 854, 882, 915, 980, 985, 1098, 1176, 1182, 1220, 1260, 1281, 1379, 1464, 1470, 1576, 1708, 1764, 1773, 1830, 1960, 1970, 2135, 2196, 2205, 2364, 2440, 2520, 2562, 2745, 2758, 2940, 2955, 2989, 3416, 3528, 3546, 3660, 3843, 3940, 4137, 4270, 4392, 4410, 4728, 5124, 5490, 5516, 5880, 5910, 5978, 6405, 6895, 7092, 7320, 7686, 7880, 8274, 8540, 8820, 8865, 8967, 9653, 10248, 10980, 11032, 11820, 11956, 12017, 12411, 12810, 13790, 14184, 14945, 15372, 16548, 17080, 17640, 17730, 17934, 19215, 19306, 20685, 21960, 23640, 23912, 24034, 24822, 25620, 26901, 27580, 28959, 29890, 30744, 33096, 35460, 35868, 36051, 38430, 38612, 41370, 44835, 48068, 48265, 49644, 51240, 53802, 55160, 57918, 59780, 60085, 62055, 70920, 71736, 72102, 76860, 77224, 82740, 84119, 86877, 89670, 96136, 96530, 99288, 107604, 108153, 115836, 119560, 120170, 124110, 134505, 144204, 144795, 153720, 165480, 168238, 173754, 179340, 180255, 193060, 215208, 216306, 231672, 240340, 248220, 252357, 269010, 288408, 289590, 336476, 347508, 358680, 360510, 386120, 420595, 432612, 434385, 480680, 496440, 504714, 538020, 540765, 579180, 588833, 672952, 695016, 721020, 757071, 841190, 865224, 868770, 1009428, 1076040, 1081530, 1158360, 1177666, 1261785, 1442040, 1514142, 1682380, 1737540, 1766499, 2018856, 2163060, 2355332, 2523570, 2944165, 3028284, 3364760, 3475080, 3532998, 3785355, 4326120, 4710664, 5047140, 5299497, 5888330, 6056568, 7065996, 7570710, 8832495, 10094280, 10598994, 11776660, 14131992, 15141420, 17664990, 21197988, 23553320, 26497485, 30282840, 35329980, 42395976, 52994970, 70659960, 105989940, 211979880]

約数ペア:

[(1, 211979880), (2, 105989940), (3, 70659960), (4, 52994970), (5, 42395976), (6, 35329980), (7, 30282840), (8, 26497485), (9, 23553320), (10, 21197988), (12, 17664990), (14, 15141420), (15, 14131992), (18, 11776660), (20, 10598994), (21, 10094280), (24, 8832495), (28, 7570710), (30, 7065996), (35, 6056568), (36, 5888330), (40, 5299497), (42, 5047140), (45, 4710664), (49, 4326120), (56, 3785355), (60, 3532998), (61, 3475080), (63, 3364760), (70, 3028284), (72, 2944165), (84, 2523570), (90, 2355332), (98, 2163060), (105, 2018856), (120, 1766499), (122, 1737540), (126, 1682380), (140, 1514142), (147, 1442040), (168, 1261785), (180, 1177666), (183, 1158360), (196, 1081530), (197, 1076040), (210, 1009428), (244, 868770), (245, 865224), (252, 841190), (280, 757071), (294, 721020), (305, 695016), (315, 672952), (360, 588833), (366, 579180), (392, 540765), (394, 538020), (420, 504714), (427, 496440), (441, 480680), (488, 434385), (490, 432612), (504, 420595), (549, 386120), (588, 360510), (591, 358680), (610, 347508), (630, 336476), (732, 289590), (735, 288408), (788, 269010), (840, 252357), (854, 248220), (882, 240340), (915, 231672), (980, 216306), (985, 215208), (1098, 193060), (1176, 180255), (1182, 179340), (1220, 173754), (1260, 168238), (1281, 165480), (1379, 153720), (1464, 144795), (1470, 144204), (1576, 134505), (1708, 124110), (1764, 120170), (1773, 119560), (1830, 115836), (1960, 108153), (1970, 107604), (2135, 99288), (2196, 96530), (2205, 96136), (2364, 89670), (2440, 86877), (2520, 84119), (2562, 82740), (2745, 77224), (2758, 76860), (2940, 72102), (2955, 71736), (2989, 70920), (3416, 62055), (3528, 60085), (3546, 59780), (3660, 57918), (3843, 55160), (3940, 53802), (4137, 51240), (4270, 49644), (4392, 48265), (4410, 48068), (4728, 44835), (5124, 41370), (5490, 38612), (5516, 38430), (5880, 36051), (5910, 35868), (5978, 35460), (6405, 33096), (6895, 30744), (7092, 29890), (7320, 28959), (7686, 27580), (7880, 26901), (8274, 25620), (8540, 24822), (8820, 24034), (8865, 23912), (8967, 23640), (9653, 21960), (10248, 20685), (10980, 19306), (11032, 19215), (11820, 17934), (11956, 17730), (12017, 17640), (12411, 17080), (12810, 16548), (13790, 15372), (14184, 14945)]