311513930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:508

約数の個数: 128

約数和(自身を含む): 745113600

約数和(自身を除く): 433599670

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 43, 65, 70, 86, 91, 95, 130, 133, 182, 190, 215, 247, 266, 301, 419, 430, 455, 494, 559, 602, 665, 817, 838, 910, 1118, 1235, 1330, 1505, 1634, 1729, 2095, 2470, 2795, 2933, 3010, 3458, 3913, 4085, 4190, 5447, 5590, 5719, 5866, 7826, 7961, 8170, 8645, 10621, 10894, 11438, 14665, 15922, 17290, 18017, 19565, 21242, 27235, 28595, 29330, 36034, 38129, 39130, 39805, 53105, 54470, 55727, 57190, 74347, 76258, 79610, 90085, 103493, 106210, 111454, 126119, 148694, 180170, 190645, 206986, 234221, 252238, 278635, 342323, 371735, 381290, 468442, 517465, 557270, 630595, 684646, 724451, 743470, 1034930, 1171105, 1261190, 1448902, 1639547, 1711615, 2342210, 2396261, 3279094, 3423230, 3622255, 4450199, 4792522, 7244510, 8197735, 8900398, 11981305, 16395470, 22250995, 23962610, 31151393, 44501990, 62302786, 155756965, 311513930]

約数ペア:

[(1, 311513930), (2, 155756965), (5, 62302786), (7, 44501990), (10, 31151393), (13, 23962610), (14, 22250995), (19, 16395470), (26, 11981305), (35, 8900398), (38, 8197735), (43, 7244510), (65, 4792522), (70, 4450199), (86, 3622255), (91, 3423230), (95, 3279094), (130, 2396261), (133, 2342210), (182, 1711615), (190, 1639547), (215, 1448902), (247, 1261190), (266, 1171105), (301, 1034930), (419, 743470), (430, 724451), (455, 684646), (494, 630595), (559, 557270), (602, 517465), (665, 468442), (817, 381290), (838, 371735), (910, 342323), (1118, 278635), (1235, 252238), (1330, 234221), (1505, 206986), (1634, 190645), (1729, 180170), (2095, 148694), (2470, 126119), (2795, 111454), (2933, 106210), (3010, 103493), (3458, 90085), (3913, 79610), (4085, 76258), (4190, 74347), (5447, 57190), (5590, 55727), (5719, 54470), (5866, 53105), (7826, 39805), (7961, 39130), (8170, 38129), (8645, 36034), (10621, 29330), (10894, 28595), (11438, 27235), (14665, 21242), (15922, 19565), (17290, 18017)]