1266409900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:729

約数の個数: 216

約数和(自身を含む): 3537336096

約数和(自身を除く): 2270926196

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 25, 28, 34, 35, 46, 49, 50, 68, 70, 85, 92, 98, 100, 115, 119, 140, 161, 170, 175, 196, 230, 238, 245, 322, 340, 350, 391, 425, 460, 476, 490, 575, 595, 644, 661, 700, 782, 805, 833, 850, 980, 1127, 1150, 1190, 1225, 1322, 1564, 1610, 1666, 1700, 1955, 2254, 2300, 2380, 2450, 2644, 2737, 2975, 3220, 3305, 3332, 3910, 4025, 4165, 4508, 4627, 4900, 5474, 5635, 5950, 6610, 7820, 8050, 8330, 9254, 9775, 10948, 11237, 11270, 11900, 13220, 13685, 15203, 16100, 16525, 16660, 18508, 19159, 19550, 20825, 22474, 22540, 23135, 27370, 28175, 30406, 32389, 33050, 38318, 39100, 41650, 44948, 46270, 54740, 56185, 56350, 60812, 64778, 66100, 68425, 76015, 76636, 78659, 83300, 92540, 95795, 106421, 112370, 112700, 115675, 129556, 136850, 152030, 157318, 161945, 191590, 212842, 224740, 231350, 258451, 273700, 280925, 304060, 314636, 323890, 380075, 383180, 393295, 425684, 462700, 478975, 516902, 532105, 550613, 561850, 647780, 744947, 760150, 786590, 809725, 957950, 1033804, 1064210, 1101226, 1123700, 1292255, 1489894, 1520300, 1573180, 1619450, 1809157, 1915900, 1966475, 2128420, 2202452, 2584510, 2660525, 2753065, 2979788, 3238900, 3618314, 3724735, 3932950, 5169020, 5321050, 5506130, 6461275, 7236628, 7449470, 7865900, 9045785, 10642100, 11012260, 12664099, 12922550, 13765325, 14898940, 18091570, 18623675, 25328198, 25845100, 27530650, 36183140, 37247350, 45228925, 50656396, 55061300, 63320495, 74494700, 90457850, 126640990, 180915700, 253281980, 316602475, 633204950, 1266409900]

約数ペア:

[(1, 1266409900), (2, 633204950), (4, 316602475), (5, 253281980), (7, 180915700), (10, 126640990), (14, 90457850), (17, 74494700), (20, 63320495), (23, 55061300), (25, 50656396), (28, 45228925), (34, 37247350), (35, 36183140), (46, 27530650), (49, 25845100), (50, 25328198), (68, 18623675), (70, 18091570), (85, 14898940), (92, 13765325), (98, 12922550), (100, 12664099), (115, 11012260), (119, 10642100), (140, 9045785), (161, 7865900), (170, 7449470), (175, 7236628), (196, 6461275), (230, 5506130), (238, 5321050), (245, 5169020), (322, 3932950), (340, 3724735), (350, 3618314), (391, 3238900), (425, 2979788), (460, 2753065), (476, 2660525), (490, 2584510), (575, 2202452), (595, 2128420), (644, 1966475), (661, 1915900), (700, 1809157), (782, 1619450), (805, 1573180), (833, 1520300), (850, 1489894), (980, 1292255), (1127, 1123700), (1150, 1101226), (1190, 1064210), (1225, 1033804), (1322, 957950), (1564, 809725), (1610, 786590), (1666, 760150), (1700, 744947), (1955, 647780), (2254, 561850), (2300, 550613), (2380, 532105), (2450, 516902), (2644, 478975), (2737, 462700), (2975, 425684), (3220, 393295), (3305, 383180), (3332, 380075), (3910, 323890), (4025, 314636), (4165, 304060), (4508, 280925), (4627, 273700), (4900, 258451), (5474, 231350), (5635, 224740), (5950, 212842), (6610, 191590), (7820, 161945), (8050, 157318), (8330, 152030), (9254, 136850), (9775, 129556), (10948, 115675), (11237, 112700), (11270, 112370), (11900, 106421), (13220, 95795), (13685, 92540), (15203, 83300), (16100, 78659), (16525, 76636), (16660, 76015), (18508, 68425), (19159, 66100), (19550, 64778), (20825, 60812), (22474, 56350), (22540, 56185), (23135, 54740), (27370, 46270), (28175, 44948), (30406, 41650), (32389, 39100), (33050, 38318)]