211240960

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{421}}^1$

素因数の和:462

約数の個数: 144

約数和(自身を含む): 591006780

約数和(自身を除く): 379765820

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 421, 448, 490, 512, 560, 640, 784, 842, 896, 980, 1024, 1120, 1280, 1568, 1684, 1792, 1960, 2048, 2105, 2240, 2560, 2947, 3136, 3368, 3584, 3920, 4210, 4480, 5120, 5894, 6272, 6736, 7168, 7840, 8420, 8960, 10240, 11788, 12544, 13472, 14336, 14735, 15680, 16840, 17920, 20629, 23576, 25088, 26944, 29470, 31360, 33680, 35840, 41258, 47152, 50176, 53888, 58940, 62720, 67360, 71680, 82516, 94304, 100352, 103145, 107776, 117880, 125440, 134720, 165032, 188608, 206290, 215552, 235760, 250880, 269440, 330064, 377216, 412580, 431104, 471520, 501760, 538880, 660128, 754432, 825160, 862208, 943040, 1077760, 1320256, 1508864, 1650320, 1886080, 2155520, 2640512, 3017728, 3300640, 3772160, 4311040, 5281024, 6035456, 6601280, 7544320, 10562048, 13202560, 15088640, 21124096, 26405120, 30177280, 42248192, 52810240, 105620480, 211240960]

約数ペア:

[(1, 211240960), (2, 105620480), (4, 52810240), (5, 42248192), (7, 30177280), (8, 26405120), (10, 21124096), (14, 15088640), (16, 13202560), (20, 10562048), (28, 7544320), (32, 6601280), (35, 6035456), (40, 5281024), (49, 4311040), (56, 3772160), (64, 3300640), (70, 3017728), (80, 2640512), (98, 2155520), (112, 1886080), (128, 1650320), (140, 1508864), (160, 1320256), (196, 1077760), (224, 943040), (245, 862208), (256, 825160), (280, 754432), (320, 660128), (392, 538880), (421, 501760), (448, 471520), (490, 431104), (512, 412580), (560, 377216), (640, 330064), (784, 269440), (842, 250880), (896, 235760), (980, 215552), (1024, 206290), (1120, 188608), (1280, 165032), (1568, 134720), (1684, 125440), (1792, 117880), (1960, 107776), (2048, 103145), (2105, 100352), (2240, 94304), (2560, 82516), (2947, 71680), (3136, 67360), (3368, 62720), (3584, 58940), (3920, 53888), (4210, 50176), (4480, 47152), (5120, 41258), (5894, 35840), (6272, 33680), (6736, 31360), (7168, 29470), (7840, 26944), (8420, 25088), (8960, 23576), (10240, 20629), (11788, 17920), (12544, 16840), (13472, 15680), (14336, 14735)]