209772920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 192

約数和(自身を含む): 595900800

約数和(自身を除く): 386127880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 43, 49, 56, 70, 76, 86, 95, 98, 131, 133, 140, 152, 172, 190, 196, 215, 245, 262, 266, 280, 301, 344, 380, 392, 430, 490, 524, 532, 602, 655, 665, 760, 817, 860, 917, 931, 980, 1048, 1064, 1204, 1310, 1330, 1505, 1634, 1720, 1834, 1862, 1960, 2107, 2408, 2489, 2620, 2660, 3010, 3268, 3668, 3724, 4085, 4214, 4585, 4655, 4978, 5240, 5320, 5633, 5719, 6020, 6419, 6536, 7336, 7448, 8170, 8428, 9170, 9310, 9956, 10535, 11266, 11438, 12040, 12445, 12838, 16340, 16856, 17423, 18340, 18620, 19912, 21070, 22532, 22876, 24890, 25676, 28165, 28595, 32095, 32680, 34846, 36680, 37240, 39431, 40033, 42140, 45064, 45752, 49780, 51352, 56330, 57190, 64190, 69692, 78862, 80066, 84280, 87115, 99560, 107027, 112660, 114380, 121961, 128380, 139384, 157724, 160132, 174230, 197155, 200165, 214054, 225320, 228760, 243922, 256760, 276017, 315448, 320264, 348460, 394310, 400330, 428108, 487844, 535135, 552034, 609805, 696920, 749189, 788620, 800660, 856216, 975688, 1070270, 1104068, 1219610, 1380085, 1498378, 1577240, 1601320, 2140540, 2208136, 2439220, 2760170, 2996756, 3745945, 4281080, 4878440, 5244323, 5520340, 5993512, 7491890, 10488646, 11040680, 14983780, 20977292, 26221615, 29967560, 41954584, 52443230, 104886460, 209772920]

約数ペア:

[(1, 209772920), (2, 104886460), (4, 52443230), (5, 41954584), (7, 29967560), (8, 26221615), (10, 20977292), (14, 14983780), (19, 11040680), (20, 10488646), (28, 7491890), (35, 5993512), (38, 5520340), (40, 5244323), (43, 4878440), (49, 4281080), (56, 3745945), (70, 2996756), (76, 2760170), (86, 2439220), (95, 2208136), (98, 2140540), (131, 1601320), (133, 1577240), (140, 1498378), (152, 1380085), (172, 1219610), (190, 1104068), (196, 1070270), (215, 975688), (245, 856216), (262, 800660), (266, 788620), (280, 749189), (301, 696920), (344, 609805), (380, 552034), (392, 535135), (430, 487844), (490, 428108), (524, 400330), (532, 394310), (602, 348460), (655, 320264), (665, 315448), (760, 276017), (817, 256760), (860, 243922), (917, 228760), (931, 225320), (980, 214054), (1048, 200165), (1064, 197155), (1204, 174230), (1310, 160132), (1330, 157724), (1505, 139384), (1634, 128380), (1720, 121961), (1834, 114380), (1862, 112660), (1960, 107027), (2107, 99560), (2408, 87115), (2489, 84280), (2620, 80066), (2660, 78862), (3010, 69692), (3268, 64190), (3668, 57190), (3724, 56330), (4085, 51352), (4214, 49780), (4585, 45752), (4655, 45064), (4978, 42140), (5240, 40033), (5320, 39431), (5633, 37240), (5719, 36680), (6020, 34846), (6419, 32680), (6536, 32095), (7336, 28595), (7448, 28165), (8170, 25676), (8428, 24890), (9170, 22876), (9310, 22532), (9956, 21070), (10535, 19912), (11266, 18620), (11438, 18340), (12040, 17423), (12445, 16856), (12838, 16340)]