289879884

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:111

約数の個数: 270

約数和(自身を含む): 958820940

約数和(自身を除く): 668941056

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 31, 36, 38, 42, 49, 54, 57, 62, 63, 76, 81, 84, 93, 98, 108, 114, 124, 126, 133, 147, 162, 171, 186, 189, 196, 217, 228, 252, 266, 279, 294, 324, 342, 372, 378, 399, 434, 441, 513, 532, 558, 567, 588, 589, 651, 684, 756, 798, 837, 868, 882, 931, 961, 1026, 1116, 1134, 1178, 1197, 1302, 1323, 1519, 1539, 1596, 1674, 1764, 1767, 1862, 1922, 1953, 2052, 2268, 2356, 2394, 2511, 2604, 2646, 2793, 2883, 3038, 3078, 3348, 3534, 3591, 3724, 3844, 3906, 3969, 4123, 4557, 4788, 5022, 5292, 5301, 5586, 5766, 5859, 6076, 6156, 6727, 7068, 7182, 7812, 7938, 8246, 8379, 8649, 9114, 10044, 10602, 10773, 11172, 11532, 11718, 12369, 13454, 13671, 14364, 15876, 15903, 16492, 16758, 17298, 17577, 18228, 18259, 20181, 21204, 21546, 23436, 24738, 25137, 25947, 26908, 27342, 28861, 31806, 33516, 34596, 35154, 36518, 37107, 40362, 41013, 43092, 47089, 47709, 49476, 50274, 51894, 54684, 54777, 57722, 60543, 63612, 70308, 73036, 74214, 75411, 77841, 80724, 82026, 86583, 94178, 95418, 100548, 103788, 109554, 111321, 115444, 121086, 123039, 127813, 141267, 148428, 150822, 155682, 164052, 164331, 173166, 181629, 188356, 190836, 219108, 222642, 242172, 246078, 255626, 259749, 282534, 301644, 311364, 328662, 333963, 346332, 363258, 383439, 423801, 445284, 492156, 492993, 511252, 519498, 544887, 565068, 657324, 667926, 726516, 766878, 779247, 847602, 894691, 985986, 1038996, 1089774, 1150317, 1271403, 1335852, 1478979, 1533756, 1558494, 1695204, 1789382, 1971972, 2179548, 2300634, 2337741, 2542806, 2684073, 2957958, 3116988, 3450951, 3578764, 3814209, 4601268, 4675482, 5085612, 5368146, 5915916, 6901902, 7628418, 8052219, 9350964, 10352853, 10736292, 13803804, 15256836, 16104438, 20705706, 24156657, 32208876, 41411412, 48313314, 72469971, 96626628, 144939942, 289879884]

約数ペア:

[(1, 289879884), (2, 144939942), (3, 96626628), (4, 72469971), (6, 48313314), (7, 41411412), (9, 32208876), (12, 24156657), (14, 20705706), (18, 16104438), (19, 15256836), (21, 13803804), (27, 10736292), (28, 10352853), (31, 9350964), (36, 8052219), (38, 7628418), (42, 6901902), (49, 5915916), (54, 5368146), (57, 5085612), (62, 4675482), (63, 4601268), (76, 3814209), (81, 3578764), (84, 3450951), (93, 3116988), (98, 2957958), (108, 2684073), (114, 2542806), (124, 2337741), (126, 2300634), (133, 2179548), (147, 1971972), (162, 1789382), (171, 1695204), (186, 1558494), (189, 1533756), (196, 1478979), (217, 1335852), (228, 1271403), (252, 1150317), (266, 1089774), (279, 1038996), (294, 985986), (324, 894691), (342, 847602), (372, 779247), (378, 766878), (399, 726516), (434, 667926), (441, 657324), (513, 565068), (532, 544887), (558, 519498), (567, 511252), (588, 492993), (589, 492156), (651, 445284), (684, 423801), (756, 383439), (798, 363258), (837, 346332), (868, 333963), (882, 328662), (931, 311364), (961, 301644), (1026, 282534), (1116, 259749), (1134, 255626), (1178, 246078), (1197, 242172), (1302, 222642), (1323, 219108), (1519, 190836), (1539, 188356), (1596, 181629), (1674, 173166), (1764, 164331), (1767, 164052), (1862, 155682), (1922, 150822), (1953, 148428), (2052, 141267), (2268, 127813), (2356, 123039), (2394, 121086), (2511, 115444), (2604, 111321), (2646, 109554), (2793, 103788), (2883, 100548), (3038, 95418), (3078, 94178), (3348, 86583), (3534, 82026), (3591, 80724), (3724, 77841), (3844, 75411), (3906, 74214), (3969, 73036), (4123, 70308), (4557, 63612), (4788, 60543), (5022, 57722), (5292, 54777), (5301, 54684), (5586, 51894), (5766, 50274), (5859, 49476), (6076, 47709), (6156, 47089), (6727, 43092), (7068, 41013), (7182, 40362), (7812, 37107), (7938, 36518), (8246, 35154), (8379, 34596), (8649, 33516), (9114, 31806), (10044, 28861), (10602, 27342), (10773, 26908), (11172, 25947), (11532, 25137), (11718, 24738), (12369, 23436), (13454, 21546), (13671, 21204), (14364, 20181), (15876, 18259), (15903, 18228), (16492, 17577), (16758, 17298)]