209249460

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:503

約数の個数: 192

約数和(自身を含む): 750435840

約数和(自身を除く): 541186380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 197, 210, 252, 270, 281, 315, 378, 394, 420, 540, 562, 591, 630, 756, 788, 843, 945, 985, 1124, 1182, 1260, 1379, 1405, 1686, 1773, 1890, 1967, 1970, 2364, 2529, 2758, 2810, 2955, 3372, 3546, 3780, 3934, 3940, 4137, 4215, 5058, 5319, 5516, 5620, 5901, 5910, 6895, 7092, 7587, 7868, 8274, 8430, 8865, 9835, 10116, 10638, 11802, 11820, 12411, 12645, 13790, 15174, 16548, 16860, 17703, 17730, 19670, 20685, 21276, 23604, 24822, 25290, 26595, 27580, 29505, 30348, 35406, 35460, 37233, 37935, 39340, 41370, 49644, 50580, 53109, 53190, 55357, 59010, 62055, 70812, 74466, 75870, 82740, 88515, 106218, 106380, 110714, 118020, 124110, 148932, 151740, 166071, 177030, 186165, 212436, 221428, 248220, 265545, 276785, 332142, 354060, 372330, 387499, 498213, 531090, 553570, 664284, 744660, 774998, 830355, 996426, 1062180, 1107140, 1162497, 1494639, 1549996, 1660710, 1937495, 1992852, 2324994, 2491065, 2989278, 3321420, 3487491, 3874990, 4649988, 4982130, 5812485, 5978556, 6974982, 7473195, 7749980, 9964260, 10462473, 11624970, 13949964, 14946390, 17437455, 20924946, 23249940, 29892780, 34874910, 41849892, 52312365, 69749820, 104624730, 209249460]

約数ペア:

[(1, 209249460), (2, 104624730), (3, 69749820), (4, 52312365), (5, 41849892), (6, 34874910), (7, 29892780), (9, 23249940), (10, 20924946), (12, 17437455), (14, 14946390), (15, 13949964), (18, 11624970), (20, 10462473), (21, 9964260), (27, 7749980), (28, 7473195), (30, 6974982), (35, 5978556), (36, 5812485), (42, 4982130), (45, 4649988), (54, 3874990), (60, 3487491), (63, 3321420), (70, 2989278), (84, 2491065), (90, 2324994), (105, 1992852), (108, 1937495), (126, 1660710), (135, 1549996), (140, 1494639), (180, 1162497), (189, 1107140), (197, 1062180), (210, 996426), (252, 830355), (270, 774998), (281, 744660), (315, 664284), (378, 553570), (394, 531090), (420, 498213), (540, 387499), (562, 372330), (591, 354060), (630, 332142), (756, 276785), (788, 265545), (843, 248220), (945, 221428), (985, 212436), (1124, 186165), (1182, 177030), (1260, 166071), (1379, 151740), (1405, 148932), (1686, 124110), (1773, 118020), (1890, 110714), (1967, 106380), (1970, 106218), (2364, 88515), (2529, 82740), (2758, 75870), (2810, 74466), (2955, 70812), (3372, 62055), (3546, 59010), (3780, 55357), (3934, 53190), (3940, 53109), (4137, 50580), (4215, 49644), (5058, 41370), (5319, 39340), (5516, 37935), (5620, 37233), (5901, 35460), (5910, 35406), (6895, 30348), (7092, 29505), (7587, 27580), (7868, 26595), (8274, 25290), (8430, 24822), (8865, 23604), (9835, 21276), (10116, 20685), (10638, 19670), (11802, 17730), (11820, 17703), (12411, 16860), (12645, 16548), (13790, 15174)]