38721760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:489

約数の個数: 144

約数和(自身を含む): 116348400

約数和(自身を除く): 77626640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 449, 490, 539, 560, 616, 770, 784, 880, 898, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1796, 1960, 2156, 2245, 2464, 2695, 3080, 3143, 3592, 3920, 4312, 4490, 4939, 5390, 6160, 6286, 7184, 7840, 8624, 8980, 9878, 10780, 12320, 12572, 14368, 15715, 17248, 17960, 19756, 21560, 22001, 24695, 25144, 31430, 34573, 35920, 39512, 43120, 44002, 49390, 50288, 62860, 69146, 71840, 79024, 86240, 88004, 98780, 100576, 110005, 125720, 138292, 158048, 172865, 176008, 197560, 220010, 242011, 251440, 276584, 345730, 352016, 395120, 440020, 484022, 502880, 553168, 691460, 704032, 790240, 880040, 968044, 1106336, 1210055, 1382920, 1760080, 1936088, 2420110, 2765840, 3520160, 3872176, 4840220, 5531680, 7744352, 9680440, 19360880, 38721760]

約数ペア:

[(1, 38721760), (2, 19360880), (4, 9680440), (5, 7744352), (7, 5531680), (8, 4840220), (10, 3872176), (11, 3520160), (14, 2765840), (16, 2420110), (20, 1936088), (22, 1760080), (28, 1382920), (32, 1210055), (35, 1106336), (40, 968044), (44, 880040), (49, 790240), (55, 704032), (56, 691460), (70, 553168), (77, 502880), (80, 484022), (88, 440020), (98, 395120), (110, 352016), (112, 345730), (140, 276584), (154, 251440), (160, 242011), (176, 220010), (196, 197560), (220, 176008), (224, 172865), (245, 158048), (280, 138292), (308, 125720), (352, 110005), (385, 100576), (392, 98780), (440, 88004), (449, 86240), (490, 79024), (539, 71840), (560, 69146), (616, 62860), (770, 50288), (784, 49390), (880, 44002), (898, 43120), (980, 39512), (1078, 35920), (1120, 34573), (1232, 31430), (1540, 25144), (1568, 24695), (1760, 22001), (1796, 21560), (1960, 19756), (2156, 17960), (2245, 17248), (2464, 15715), (2695, 14368), (3080, 12572), (3143, 12320), (3592, 10780), (3920, 9878), (4312, 8980), (4490, 8624), (4939, 7840), (5390, 7184), (6160, 6286)]