205121324870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{28921}}^1$

素因数の和:29158

約数の個数: 128

約数和(自身を含む): 470985283584

約数和(自身を除く): 265863958714

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 61, 70, 77, 110, 122, 151, 154, 302, 305, 385, 427, 610, 671, 755, 770, 854, 1057, 1342, 1510, 1661, 2114, 2135, 3322, 3355, 4270, 4697, 5285, 6710, 8305, 9211, 9394, 10570, 11627, 16610, 18422, 23254, 23485, 28921, 46055, 46970, 57842, 58135, 64477, 92110, 101321, 116270, 128954, 144605, 202447, 202642, 289210, 318131, 322385, 404894, 506605, 636262, 644770, 709247, 1012235, 1013210, 1418494, 1590655, 1764181, 2024470, 2226917, 3181310, 3528362, 3546235, 4367071, 4453834, 7092470, 8734142, 8820905, 11134585, 12349267, 17641810, 19405991, 21835355, 22269170, 24698534, 30569497, 38811982, 43670710, 48037781, 61138994, 61746335, 96075562, 97029955, 123492670, 135841937, 152847485, 194059910, 240188905, 266391331, 271683874, 305694970, 336264467, 480377810, 532782662, 672528934, 679209685, 1331956655, 1358419370, 1681322335, 1864739317, 2663913310, 2930304641, 3362644670, 3729478634, 5860609282, 9323696585, 14651523205, 18647393170, 20512132487, 29303046410, 41024264974, 102560662435, 205121324870]

約数ペア:

[(1, 205121324870), (2, 102560662435), (5, 41024264974), (7, 29303046410), (10, 20512132487), (11, 18647393170), (14, 14651523205), (22, 9323696585), (35, 5860609282), (55, 3729478634), (61, 3362644670), (70, 2930304641), (77, 2663913310), (110, 1864739317), (122, 1681322335), (151, 1358419370), (154, 1331956655), (302, 679209685), (305, 672528934), (385, 532782662), (427, 480377810), (610, 336264467), (671, 305694970), (755, 271683874), (770, 266391331), (854, 240188905), (1057, 194059910), (1342, 152847485), (1510, 135841937), (1661, 123492670), (2114, 97029955), (2135, 96075562), (3322, 61746335), (3355, 61138994), (4270, 48037781), (4697, 43670710), (5285, 38811982), (6710, 30569497), (8305, 24698534), (9211, 22269170), (9394, 21835355), (10570, 19405991), (11627, 17641810), (16610, 12349267), (18422, 11134585), (23254, 8820905), (23485, 8734142), (28921, 7092470), (46055, 4453834), (46970, 4367071), (57842, 3546235), (58135, 3528362), (64477, 3181310), (92110, 2226917), (101321, 2024470), (116270, 1764181), (128954, 1590655), (144605, 1418494), (202447, 1013210), (202642, 1012235), (289210, 709247), (318131, 644770), (322385, 636262), (404894, 506605)]