1989005200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1031}}^1$

素因数の和:1122

約数の個数: 240

約数和(自身を含む): 5998116096

約数和(自身を除く): 4009110896

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 53, 56, 65, 70, 80, 91, 100, 104, 106, 112, 130, 140, 175, 182, 200, 208, 212, 260, 265, 280, 325, 350, 364, 371, 400, 424, 455, 520, 530, 560, 650, 689, 700, 728, 742, 848, 910, 1031, 1040, 1060, 1300, 1325, 1378, 1400, 1456, 1484, 1820, 1855, 2062, 2120, 2275, 2600, 2650, 2756, 2800, 2968, 3445, 3640, 3710, 4124, 4240, 4550, 4823, 5155, 5200, 5300, 5512, 5936, 6890, 7217, 7280, 7420, 8248, 9100, 9275, 9646, 10310, 10600, 11024, 13403, 13780, 14434, 14840, 16496, 17225, 18200, 18550, 19292, 20620, 21200, 24115, 25775, 26806, 27560, 28868, 29680, 34450, 36085, 36400, 37100, 38584, 41240, 48230, 51550, 53612, 54643, 55120, 57736, 67015, 68900, 72170, 74200, 77168, 82480, 93821, 96460, 103100, 107224, 109286, 115472, 120575, 134030, 137800, 144340, 148400, 180425, 187642, 192920, 206200, 214448, 218572, 241150, 268060, 273215, 275600, 288680, 335075, 360850, 375284, 382501, 385840, 412400, 437144, 469105, 482300, 536120, 546430, 577360, 670150, 710359, 721700, 750568, 765002, 874288, 938210, 964600, 1072240, 1092860, 1340300, 1366075, 1420718, 1443400, 1501136, 1530004, 1876420, 1912505, 1929200, 2185720, 2345525, 2680600, 2732150, 2841436, 2886800, 3060008, 3551795, 3752840, 3825010, 4371440, 4691050, 4972513, 5361200, 5464300, 5682872, 6120016, 7103590, 7505680, 7650020, 9382100, 9562525, 9945026, 10928600, 11365744, 14207180, 15300040, 17758975, 18764200, 19125050, 19890052, 21857200, 24862565, 28414360, 30600080, 35517950, 37528400, 38250100, 39780104, 49725130, 56828720, 71035900, 76500200, 79560208, 99450260, 124312825, 142071800, 153000400, 198900520, 248625650, 284143600, 397801040, 497251300, 994502600, 1989005200]

約数ペア:

[(1, 1989005200), (2, 994502600), (4, 497251300), (5, 397801040), (7, 284143600), (8, 248625650), (10, 198900520), (13, 153000400), (14, 142071800), (16, 124312825), (20, 99450260), (25, 79560208), (26, 76500200), (28, 71035900), (35, 56828720), (40, 49725130), (50, 39780104), (52, 38250100), (53, 37528400), (56, 35517950), (65, 30600080), (70, 28414360), (80, 24862565), (91, 21857200), (100, 19890052), (104, 19125050), (106, 18764200), (112, 17758975), (130, 15300040), (140, 14207180), (175, 11365744), (182, 10928600), (200, 9945026), (208, 9562525), (212, 9382100), (260, 7650020), (265, 7505680), (280, 7103590), (325, 6120016), (350, 5682872), (364, 5464300), (371, 5361200), (400, 4972513), (424, 4691050), (455, 4371440), (520, 3825010), (530, 3752840), (560, 3551795), (650, 3060008), (689, 2886800), (700, 2841436), (728, 2732150), (742, 2680600), (848, 2345525), (910, 2185720), (1031, 1929200), (1040, 1912505), (1060, 1876420), (1300, 1530004), (1325, 1501136), (1378, 1443400), (1400, 1420718), (1456, 1366075), (1484, 1340300), (1820, 1092860), (1855, 1072240), (2062, 964600), (2120, 938210), (2275, 874288), (2600, 765002), (2650, 750568), (2756, 721700), (2800, 710359), (2968, 670150), (3445, 577360), (3640, 546430), (3710, 536120), (4124, 482300), (4240, 469105), (4550, 437144), (4823, 412400), (5155, 385840), (5200, 382501), (5300, 375284), (5512, 360850), (5936, 335075), (6890, 288680), (7217, 275600), (7280, 273215), (7420, 268060), (8248, 241150), (9100, 218572), (9275, 214448), (9646, 206200), (10310, 192920), (10600, 187642), (11024, 180425), (13403, 148400), (13780, 144340), (14434, 137800), (14840, 134030), (16496, 120575), (17225, 115472), (18200, 109286), (18550, 107224), (19292, 103100), (20620, 96460), (21200, 93821), (24115, 82480), (25775, 77168), (26806, 74200), (27560, 72170), (28868, 68900), (29680, 67015), (34450, 57736), (36085, 55120), (36400, 54643), (37100, 53612), (38584, 51550), (41240, 48230)]