209125280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:359

約数の個数: 192

約数和(自身を含む): 621831168

約数和(自身を除く): 412705888

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 53, 56, 65, 70, 80, 91, 104, 106, 112, 130, 140, 160, 182, 208, 212, 224, 260, 265, 271, 280, 364, 371, 416, 424, 455, 520, 530, 542, 560, 689, 728, 742, 848, 910, 1040, 1060, 1084, 1120, 1355, 1378, 1456, 1484, 1696, 1820, 1855, 1897, 2080, 2120, 2168, 2710, 2756, 2912, 2968, 3445, 3523, 3640, 3710, 3794, 4240, 4336, 4823, 5420, 5512, 5936, 6890, 7046, 7280, 7420, 7588, 8480, 8672, 9485, 9646, 10840, 11024, 11872, 13780, 14092, 14363, 14560, 14840, 15176, 17615, 18970, 19292, 21680, 22048, 24115, 24661, 27560, 28184, 28726, 29680, 30352, 35230, 37940, 38584, 43360, 48230, 49322, 55120, 56368, 57452, 59360, 60704, 70460, 71815, 75880, 77168, 96460, 98644, 100541, 110240, 112736, 114904, 123305, 140920, 143630, 151760, 154336, 186719, 192920, 197288, 201082, 229808, 246610, 281840, 287260, 303520, 373438, 385840, 394576, 402164, 459616, 493220, 502705, 563680, 574520, 746876, 771680, 789152, 804328, 933595, 986440, 1005410, 1149040, 1307033, 1493752, 1608656, 1867190, 1972880, 2010820, 2298080, 2614066, 2987504, 3217312, 3734380, 3945760, 4021640, 5228132, 5975008, 6535165, 7468760, 8043280, 10456264, 13070330, 14937520, 16086560, 20912528, 26140660, 29875040, 41825056, 52281320, 104562640, 209125280]

約数ペア:

[(1, 209125280), (2, 104562640), (4, 52281320), (5, 41825056), (7, 29875040), (8, 26140660), (10, 20912528), (13, 16086560), (14, 14937520), (16, 13070330), (20, 10456264), (26, 8043280), (28, 7468760), (32, 6535165), (35, 5975008), (40, 5228132), (52, 4021640), (53, 3945760), (56, 3734380), (65, 3217312), (70, 2987504), (80, 2614066), (91, 2298080), (104, 2010820), (106, 1972880), (112, 1867190), (130, 1608656), (140, 1493752), (160, 1307033), (182, 1149040), (208, 1005410), (212, 986440), (224, 933595), (260, 804328), (265, 789152), (271, 771680), (280, 746876), (364, 574520), (371, 563680), (416, 502705), (424, 493220), (455, 459616), (520, 402164), (530, 394576), (542, 385840), (560, 373438), (689, 303520), (728, 287260), (742, 281840), (848, 246610), (910, 229808), (1040, 201082), (1060, 197288), (1084, 192920), (1120, 186719), (1355, 154336), (1378, 151760), (1456, 143630), (1484, 140920), (1696, 123305), (1820, 114904), (1855, 112736), (1897, 110240), (2080, 100541), (2120, 98644), (2168, 96460), (2710, 77168), (2756, 75880), (2912, 71815), (2968, 70460), (3445, 60704), (3523, 59360), (3640, 57452), (3710, 56368), (3794, 55120), (4240, 49322), (4336, 48230), (4823, 43360), (5420, 38584), (5512, 37940), (5936, 35230), (6890, 30352), (7046, 29680), (7280, 28726), (7420, 28184), (7588, 27560), (8480, 24661), (8672, 24115), (9485, 22048), (9646, 21680), (10840, 19292), (11024, 18970), (11872, 17615), (13780, 15176), (14092, 14840), (14363, 14560)]