1999215792

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{467}}^1$

素因数の和:656

約数の個数: 240

約数和(自身を含む): 6663002112

約数和(自身を除く): 4663786320

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 56, 62, 63, 72, 84, 93, 112, 124, 126, 137, 144, 168, 186, 217, 248, 252, 274, 279, 336, 372, 411, 434, 467, 496, 504, 548, 558, 651, 744, 822, 868, 934, 959, 1008, 1096, 1116, 1233, 1302, 1401, 1488, 1644, 1736, 1868, 1918, 1953, 2192, 2232, 2466, 2604, 2802, 2877, 3269, 3288, 3472, 3736, 3836, 3906, 4203, 4247, 4464, 4932, 5208, 5604, 5754, 6538, 6576, 7472, 7672, 7812, 8406, 8494, 8631, 9807, 9864, 10416, 11208, 11508, 12741, 13076, 14477, 15344, 15624, 16812, 16988, 17262, 19614, 19728, 22416, 23016, 25482, 26152, 28954, 29421, 29729, 31248, 33624, 33976, 34524, 38223, 39228, 43431, 46032, 50964, 52304, 57908, 58842, 59458, 63979, 67248, 67952, 69048, 76446, 78456, 86862, 89187, 101339, 101928, 115816, 117684, 118916, 127958, 130293, 138096, 152892, 156912, 173724, 178374, 191937, 202678, 203856, 231632, 235368, 237832, 255916, 260586, 267561, 304017, 305784, 347448, 356748, 383874, 405356, 447853, 470736, 475664, 511832, 521172, 535122, 575811, 608034, 611568, 694896, 713496, 767748, 810712, 895706, 912051, 1023664, 1042344, 1070244, 1151622, 1216068, 1343559, 1426992, 1535496, 1621424, 1791412, 1824102, 1983349, 2084688, 2140488, 2303244, 2432136, 2687118, 3070992, 3582824, 3648204, 3966698, 4030677, 4280976, 4606488, 4864272, 5374236, 5950047, 7165648, 7296408, 7933396, 8061354, 9212976, 10748472, 11900094, 13883443, 14592816, 15866792, 16122708, 17850141, 21496944, 23800188, 27766886, 31733584, 32245416, 35700282, 41650329, 47600376, 55533772, 64490832, 71400564, 83300658, 95200752, 111067544, 124950987, 142801128, 166601316, 222135088, 249901974, 285602256, 333202632, 499803948, 666405264, 999607896, 1999215792]

約数ペア:

[(1, 1999215792), (2, 999607896), (3, 666405264), (4, 499803948), (6, 333202632), (7, 285602256), (8, 249901974), (9, 222135088), (12, 166601316), (14, 142801128), (16, 124950987), (18, 111067544), (21, 95200752), (24, 83300658), (28, 71400564), (31, 64490832), (36, 55533772), (42, 47600376), (48, 41650329), (56, 35700282), (62, 32245416), (63, 31733584), (72, 27766886), (84, 23800188), (93, 21496944), (112, 17850141), (124, 16122708), (126, 15866792), (137, 14592816), (144, 13883443), (168, 11900094), (186, 10748472), (217, 9212976), (248, 8061354), (252, 7933396), (274, 7296408), (279, 7165648), (336, 5950047), (372, 5374236), (411, 4864272), (434, 4606488), (467, 4280976), (496, 4030677), (504, 3966698), (548, 3648204), (558, 3582824), (651, 3070992), (744, 2687118), (822, 2432136), (868, 2303244), (934, 2140488), (959, 2084688), (1008, 1983349), (1096, 1824102), (1116, 1791412), (1233, 1621424), (1302, 1535496), (1401, 1426992), (1488, 1343559), (1644, 1216068), (1736, 1151622), (1868, 1070244), (1918, 1042344), (1953, 1023664), (2192, 912051), (2232, 895706), (2466, 810712), (2604, 767748), (2802, 713496), (2877, 694896), (3269, 611568), (3288, 608034), (3472, 575811), (3736, 535122), (3836, 521172), (3906, 511832), (4203, 475664), (4247, 470736), (4464, 447853), (4932, 405356), (5208, 383874), (5604, 356748), (5754, 347448), (6538, 305784), (6576, 304017), (7472, 267561), (7672, 260586), (7812, 255916), (8406, 237832), (8494, 235368), (8631, 231632), (9807, 203856), (9864, 202678), (10416, 191937), (11208, 178374), (11508, 173724), (12741, 156912), (13076, 152892), (14477, 138096), (15344, 130293), (15624, 127958), (16812, 118916), (16988, 117684), (17262, 115816), (19614, 101928), (19728, 101339), (22416, 89187), (23016, 86862), (25482, 78456), (26152, 76446), (28954, 69048), (29421, 67952), (29729, 67248), (31248, 63979), (33624, 59458), (33976, 58842), (34524, 57908), (38223, 52304), (39228, 50964), (43431, 46032)]