257630240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1933}}^1$

素因数の和:1979

約数の個数: 144

約数和(自身を含む): 750059352

約数和(自身を除く): 492429112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 238, 245, 272, 280, 340, 392, 476, 490, 544, 560, 595, 680, 784, 833, 952, 980, 1120, 1190, 1360, 1568, 1666, 1904, 1933, 1960, 2380, 2720, 3332, 3808, 3866, 3920, 4165, 4760, 6664, 7732, 7840, 8330, 9520, 9665, 13328, 13531, 15464, 16660, 19040, 19330, 26656, 27062, 30928, 32861, 33320, 38660, 54124, 61856, 65722, 66640, 67655, 77320, 94717, 108248, 131444, 133280, 135310, 154640, 164305, 189434, 216496, 230027, 262888, 270620, 309280, 328610, 378868, 432992, 460054, 473585, 525776, 541240, 657220, 757736, 920108, 947170, 1051552, 1082480, 1150135, 1314440, 1515472, 1610189, 1840216, 1894340, 2164960, 2300270, 2628880, 3030944, 3220378, 3680432, 3788680, 4600540, 5257760, 6440756, 7360864, 7577360, 8050945, 9201080, 12881512, 15154720, 16101890, 18402160, 25763024, 32203780, 36804320, 51526048, 64407560, 128815120, 257630240]

約数ペア:

[(1, 257630240), (2, 128815120), (4, 64407560), (5, 51526048), (7, 36804320), (8, 32203780), (10, 25763024), (14, 18402160), (16, 16101890), (17, 15154720), (20, 12881512), (28, 9201080), (32, 8050945), (34, 7577360), (35, 7360864), (40, 6440756), (49, 5257760), (56, 4600540), (68, 3788680), (70, 3680432), (80, 3220378), (85, 3030944), (98, 2628880), (112, 2300270), (119, 2164960), (136, 1894340), (140, 1840216), (160, 1610189), (170, 1515472), (196, 1314440), (224, 1150135), (238, 1082480), (245, 1051552), (272, 947170), (280, 920108), (340, 757736), (392, 657220), (476, 541240), (490, 525776), (544, 473585), (560, 460054), (595, 432992), (680, 378868), (784, 328610), (833, 309280), (952, 270620), (980, 262888), (1120, 230027), (1190, 216496), (1360, 189434), (1568, 164305), (1666, 154640), (1904, 135310), (1933, 133280), (1960, 131444), (2380, 108248), (2720, 94717), (3332, 77320), (3808, 67655), (3866, 66640), (3920, 65722), (4165, 61856), (4760, 54124), (6664, 38660), (7732, 33320), (7840, 32861), (8330, 30928), (9520, 27062), (9665, 26656), (13328, 19330), (13531, 19040), (15464, 16660)]