1389940272

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:405

約数の個数: 240

約数和(自身を含む): 4596134400

約数和(自身を除く): 3206194128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 107, 112, 126, 144, 147, 168, 196, 214, 252, 263, 294, 321, 336, 343, 392, 428, 441, 504, 526, 588, 642, 686, 749, 784, 789, 856, 882, 963, 1008, 1029, 1052, 1176, 1284, 1372, 1498, 1578, 1712, 1764, 1841, 1926, 2058, 2104, 2247, 2352, 2367, 2568, 2744, 2996, 3087, 3156, 3528, 3682, 3852, 4116, 4208, 4494, 4734, 5136, 5243, 5488, 5523, 5992, 6174, 6312, 6741, 7056, 7364, 7704, 8232, 8988, 9468, 10486, 11046, 11984, 12348, 12624, 12887, 13482, 14728, 15408, 15729, 16464, 16569, 17976, 18936, 20972, 22092, 24696, 25774, 26964, 28141, 29456, 31458, 33138, 35952, 36701, 37872, 38661, 41944, 44184, 47187, 49392, 51548, 53928, 56282, 62916, 66276, 73402, 77322, 83888, 84423, 88368, 90209, 94374, 103096, 107856, 110103, 112564, 115983, 125832, 132552, 146804, 154644, 168846, 180418, 188748, 196987, 206192, 220206, 225128, 231966, 251664, 253269, 265104, 270627, 293608, 309288, 330309, 337692, 360836, 377496, 393974, 440412, 450256, 463932, 506538, 541254, 587216, 590961, 618576, 660618, 675384, 721672, 754992, 787948, 811881, 880824, 927864, 1013076, 1082508, 1181922, 1321236, 1350768, 1378909, 1443344, 1575896, 1623762, 1761648, 1772883, 1855728, 2026152, 2165016, 2363844, 2642472, 2757818, 3151792, 3247524, 3545766, 4052304, 4136727, 4330032, 4727688, 5284944, 5515636, 6495048, 7091532, 8273454, 9455376, 9652363, 11031272, 12410181, 12990096, 14183064, 16546908, 19304726, 22062544, 24820362, 28366128, 28957089, 33093816, 38609452, 49640724, 57914178, 66187632, 77218904, 86871267, 99281448, 115828356, 154437808, 173742534, 198562896, 231656712, 347485068, 463313424, 694970136, 1389940272]

約数ペア:

[(1, 1389940272), (2, 694970136), (3, 463313424), (4, 347485068), (6, 231656712), (7, 198562896), (8, 173742534), (9, 154437808), (12, 115828356), (14, 99281448), (16, 86871267), (18, 77218904), (21, 66187632), (24, 57914178), (28, 49640724), (36, 38609452), (42, 33093816), (48, 28957089), (49, 28366128), (56, 24820362), (63, 22062544), (72, 19304726), (84, 16546908), (98, 14183064), (107, 12990096), (112, 12410181), (126, 11031272), (144, 9652363), (147, 9455376), (168, 8273454), (196, 7091532), (214, 6495048), (252, 5515636), (263, 5284944), (294, 4727688), (321, 4330032), (336, 4136727), (343, 4052304), (392, 3545766), (428, 3247524), (441, 3151792), (504, 2757818), (526, 2642472), (588, 2363844), (642, 2165016), (686, 2026152), (749, 1855728), (784, 1772883), (789, 1761648), (856, 1623762), (882, 1575896), (963, 1443344), (1008, 1378909), (1029, 1350768), (1052, 1321236), (1176, 1181922), (1284, 1082508), (1372, 1013076), (1498, 927864), (1578, 880824), (1712, 811881), (1764, 787948), (1841, 754992), (1926, 721672), (2058, 675384), (2104, 660618), (2247, 618576), (2352, 590961), (2367, 587216), (2568, 541254), (2744, 506538), (2996, 463932), (3087, 450256), (3156, 440412), (3528, 393974), (3682, 377496), (3852, 360836), (4116, 337692), (4208, 330309), (4494, 309288), (4734, 293608), (5136, 270627), (5243, 265104), (5488, 253269), (5523, 251664), (5992, 231966), (6174, 225128), (6312, 220206), (6741, 206192), (7056, 196987), (7364, 188748), (7704, 180418), (8232, 168846), (8988, 154644), (9468, 146804), (10486, 132552), (11046, 125832), (11984, 115983), (12348, 112564), (12624, 110103), (12887, 107856), (13482, 103096), (14728, 94374), (15408, 90209), (15729, 88368), (16464, 84423), (16569, 83888), (17976, 77322), (18936, 73402), (20972, 66276), (22092, 62916), (24696, 56282), (25774, 53928), (26964, 51548), (28141, 49392), (29456, 47187), (31458, 44184), (33138, 41944), (35952, 38661), (36701, 37872)]