1989877760

素因数分解:

$2^{13}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:182

約数の個数: 224

約数和(自身を含む): 5334042672

約数和(自身を除く): 3344164912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 101, 104, 128, 130, 148, 160, 185, 202, 208, 256, 260, 296, 320, 370, 404, 416, 481, 505, 512, 520, 592, 640, 740, 808, 832, 962, 1010, 1024, 1040, 1184, 1280, 1313, 1480, 1616, 1664, 1924, 2020, 2048, 2080, 2368, 2405, 2560, 2626, 2960, 3232, 3328, 3737, 3848, 4040, 4096, 4160, 4736, 4810, 5120, 5252, 5920, 6464, 6565, 6656, 7474, 7696, 8080, 8192, 8320, 9472, 9620, 10240, 10504, 11840, 12928, 13130, 13312, 14948, 15392, 16160, 16640, 18685, 18944, 19240, 20480, 21008, 23680, 25856, 26260, 26624, 29896, 30784, 32320, 33280, 37370, 37888, 38480, 40960, 42016, 47360, 48581, 51712, 52520, 53248, 59792, 61568, 64640, 66560, 74740, 75776, 76960, 84032, 94720, 97162, 103424, 105040, 106496, 119584, 123136, 129280, 133120, 149480, 151552, 153920, 168064, 189440, 194324, 206848, 210080, 239168, 242905, 246272, 258560, 266240, 298960, 303104, 307840, 336128, 378880, 388648, 413696, 420160, 478336, 485810, 492544, 517120, 532480, 597920, 615680, 672256, 757760, 777296, 827392, 840320, 956672, 971620, 985088, 1034240, 1195840, 1231360, 1344512, 1515520, 1554592, 1680640, 1913344, 1943240, 1970176, 2068480, 2391680, 2462720, 2689024, 3109184, 3361280, 3826688, 3886480, 3940352, 4136960, 4783360, 4925440, 5378048, 6218368, 6722560, 7653376, 7772960, 9566720, 9850880, 10756096, 12436736, 13445120, 15306752, 15545920, 19133440, 19701760, 24873472, 26890240, 30613504, 31091840, 38266880, 49746944, 53780480, 62183680, 76533760, 99493888, 124367360, 153067520, 198987776, 248734720, 397975552, 497469440, 994938880, 1989877760]

約数ペア:

[(1, 1989877760), (2, 994938880), (4, 497469440), (5, 397975552), (8, 248734720), (10, 198987776), (13, 153067520), (16, 124367360), (20, 99493888), (26, 76533760), (32, 62183680), (37, 53780480), (40, 49746944), (52, 38266880), (64, 31091840), (65, 30613504), (74, 26890240), (80, 24873472), (101, 19701760), (104, 19133440), (128, 15545920), (130, 15306752), (148, 13445120), (160, 12436736), (185, 10756096), (202, 9850880), (208, 9566720), (256, 7772960), (260, 7653376), (296, 6722560), (320, 6218368), (370, 5378048), (404, 4925440), (416, 4783360), (481, 4136960), (505, 3940352), (512, 3886480), (520, 3826688), (592, 3361280), (640, 3109184), (740, 2689024), (808, 2462720), (832, 2391680), (962, 2068480), (1010, 1970176), (1024, 1943240), (1040, 1913344), (1184, 1680640), (1280, 1554592), (1313, 1515520), (1480, 1344512), (1616, 1231360), (1664, 1195840), (1924, 1034240), (2020, 985088), (2048, 971620), (2080, 956672), (2368, 840320), (2405, 827392), (2560, 777296), (2626, 757760), (2960, 672256), (3232, 615680), (3328, 597920), (3737, 532480), (3848, 517120), (4040, 492544), (4096, 485810), (4160, 478336), (4736, 420160), (4810, 413696), (5120, 388648), (5252, 378880), (5920, 336128), (6464, 307840), (6565, 303104), (6656, 298960), (7474, 266240), (7696, 258560), (8080, 246272), (8192, 242905), (8320, 239168), (9472, 210080), (9620, 206848), (10240, 194324), (10504, 189440), (11840, 168064), (12928, 153920), (13130, 151552), (13312, 149480), (14948, 133120), (15392, 129280), (16160, 123136), (16640, 119584), (18685, 106496), (18944, 105040), (19240, 103424), (20480, 97162), (21008, 94720), (23680, 84032), (25856, 76960), (26260, 75776), (26624, 74740), (29896, 66560), (30784, 64640), (32320, 61568), (33280, 59792), (37370, 53248), (37888, 52520), (38480, 51712), (40960, 48581), (42016, 47360)]