1285800670

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:735

約数の個数: 128

約数和(自身を含む): 3004646400

約数和(自身を除く): 1718845730

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 53, 55, 70, 77, 98, 106, 110, 154, 245, 265, 343, 371, 385, 490, 530, 539, 583, 643, 686, 742, 770, 1078, 1166, 1286, 1715, 1855, 2597, 2695, 2915, 3215, 3430, 3710, 3773, 4081, 4501, 5194, 5390, 5830, 6430, 7073, 7546, 8162, 9002, 12985, 14146, 18179, 18865, 20405, 22505, 25970, 28567, 31507, 34079, 35365, 36358, 37730, 40810, 45010, 49511, 57134, 63014, 68158, 70730, 90895, 99022, 142835, 157535, 170395, 181790, 199969, 220549, 238553, 247555, 285670, 315070, 340790, 346577, 374869, 399938, 441098, 477106, 495110, 693154, 749738, 999845, 1102745, 1192765, 1669871, 1732885, 1874345, 1999690, 2205490, 2385530, 2426039, 2624083, 3339742, 3465770, 3748690, 4852078, 5248166, 8349355, 11689097, 12130195, 13120415, 16698710, 18368581, 23378194, 24260390, 26240830, 36737162, 58445485, 91842905, 116890970, 128580067, 183685810, 257160134, 642900335, 1285800670]

約数ペア:

[(1, 1285800670), (2, 642900335), (5, 257160134), (7, 183685810), (10, 128580067), (11, 116890970), (14, 91842905), (22, 58445485), (35, 36737162), (49, 26240830), (53, 24260390), (55, 23378194), (70, 18368581), (77, 16698710), (98, 13120415), (106, 12130195), (110, 11689097), (154, 8349355), (245, 5248166), (265, 4852078), (343, 3748690), (371, 3465770), (385, 3339742), (490, 2624083), (530, 2426039), (539, 2385530), (583, 2205490), (643, 1999690), (686, 1874345), (742, 1732885), (770, 1669871), (1078, 1192765), (1166, 1102745), (1286, 999845), (1715, 749738), (1855, 693154), (2597, 495110), (2695, 477106), (2915, 441098), (3215, 399938), (3430, 374869), (3710, 346577), (3773, 340790), (4081, 315070), (4501, 285670), (5194, 247555), (5390, 238553), (5830, 220549), (6430, 199969), (7073, 181790), (7546, 170395), (8162, 157535), (9002, 142835), (12985, 99022), (14146, 90895), (18179, 70730), (18865, 68158), (20405, 63014), (22505, 57134), (25970, 49511), (28567, 45010), (31507, 40810), (34079, 37730), (35365, 36358)]