251011530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1249}}^1$

素因数の和:1309

約数の個数: 192

約数和(自身を含む): 842400000

約数和(自身を除く): 591388470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 29, 30, 33, 35, 42, 45, 55, 58, 63, 66, 70, 77, 87, 90, 99, 105, 110, 126, 145, 154, 165, 174, 198, 203, 210, 231, 261, 290, 315, 319, 330, 385, 406, 435, 462, 495, 522, 609, 630, 638, 693, 770, 870, 957, 990, 1015, 1155, 1218, 1249, 1305, 1386, 1595, 1827, 1914, 2030, 2233, 2310, 2498, 2610, 2871, 3045, 3190, 3465, 3654, 3747, 4466, 4785, 5742, 6090, 6245, 6699, 6930, 7494, 8743, 9135, 9570, 11165, 11241, 12490, 13398, 13739, 14355, 17486, 18270, 18735, 20097, 22330, 22482, 26229, 27478, 28710, 33495, 36221, 37470, 40194, 41217, 43715, 52458, 56205, 66990, 68695, 72442, 78687, 82434, 87430, 96173, 100485, 108663, 112410, 123651, 131145, 137390, 157374, 181105, 192346, 200970, 206085, 217326, 247302, 253547, 262290, 288519, 325989, 362210, 393435, 398431, 412170, 480865, 507094, 543315, 577038, 618255, 651978, 760641, 786870, 796862, 865557, 961730, 1086630, 1195293, 1236510, 1267735, 1442595, 1521282, 1629945, 1731114, 1992155, 2281923, 2390586, 2535470, 2789017, 2885190, 3259890, 3585879, 3803205, 3984310, 4327785, 4563846, 5578034, 5976465, 7171758, 7606410, 8367051, 8655570, 11409615, 11952930, 13945085, 16734102, 17929395, 22819230, 25101153, 27890170, 35858790, 41835255, 50202306, 83670510, 125505765, 251011530]

約数ペア:

[(1, 251011530), (2, 125505765), (3, 83670510), (5, 50202306), (6, 41835255), (7, 35858790), (9, 27890170), (10, 25101153), (11, 22819230), (14, 17929395), (15, 16734102), (18, 13945085), (21, 11952930), (22, 11409615), (29, 8655570), (30, 8367051), (33, 7606410), (35, 7171758), (42, 5976465), (45, 5578034), (55, 4563846), (58, 4327785), (63, 3984310), (66, 3803205), (70, 3585879), (77, 3259890), (87, 2885190), (90, 2789017), (99, 2535470), (105, 2390586), (110, 2281923), (126, 1992155), (145, 1731114), (154, 1629945), (165, 1521282), (174, 1442595), (198, 1267735), (203, 1236510), (210, 1195293), (231, 1086630), (261, 961730), (290, 865557), (315, 796862), (319, 786870), (330, 760641), (385, 651978), (406, 618255), (435, 577038), (462, 543315), (495, 507094), (522, 480865), (609, 412170), (630, 398431), (638, 393435), (693, 362210), (770, 325989), (870, 288519), (957, 262290), (990, 253547), (1015, 247302), (1155, 217326), (1218, 206085), (1249, 200970), (1305, 192346), (1386, 181105), (1595, 157374), (1827, 137390), (1914, 131145), (2030, 123651), (2233, 112410), (2310, 108663), (2498, 100485), (2610, 96173), (2871, 87430), (3045, 82434), (3190, 78687), (3465, 72442), (3654, 68695), (3747, 66990), (4466, 56205), (4785, 52458), (5742, 43715), (6090, 41217), (6245, 40194), (6699, 37470), (6930, 36221), (7494, 33495), (8743, 28710), (9135, 27478), (9570, 26229), (11165, 22482), (11241, 22330), (12490, 20097), (13398, 18735), (13739, 18270), (14355, 17486)]