197818880

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 240

約数和(自身を含む): 587774880

約数和(自身を除く): 389956000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 83, 95, 98, 112, 128, 133, 140, 152, 160, 166, 190, 196, 224, 245, 256, 266, 280, 304, 320, 332, 380, 392, 415, 448, 490, 512, 532, 560, 581, 608, 640, 664, 665, 760, 784, 830, 896, 931, 980, 1064, 1120, 1162, 1216, 1280, 1328, 1330, 1520, 1568, 1577, 1660, 1792, 1862, 1960, 2128, 2240, 2324, 2432, 2560, 2656, 2660, 2905, 3040, 3136, 3154, 3320, 3584, 3724, 3920, 4067, 4256, 4480, 4648, 4655, 4864, 5312, 5320, 5810, 6080, 6272, 6308, 6640, 7448, 7840, 7885, 8134, 8512, 8960, 9296, 9310, 9728, 10624, 10640, 11039, 11620, 12160, 12544, 12616, 13280, 14896, 15680, 15770, 16268, 17024, 17920, 18592, 18620, 20335, 21248, 21280, 22078, 23240, 24320, 25088, 25232, 26560, 29792, 31360, 31540, 32536, 34048, 37184, 37240, 40670, 42496, 42560, 44156, 46480, 48640, 50464, 53120, 55195, 59584, 62720, 63080, 65072, 68096, 74368, 74480, 77273, 81340, 85120, 88312, 92960, 100928, 106240, 110390, 119168, 125440, 126160, 130144, 148736, 148960, 154546, 162680, 170240, 176624, 185920, 201856, 212480, 220780, 238336, 252320, 260288, 297472, 297920, 309092, 325360, 340480, 353248, 371840, 386365, 403712, 441560, 476672, 504640, 520576, 595840, 618184, 650720, 706496, 743680, 772730, 807424, 883120, 1009280, 1041152, 1191680, 1236368, 1301440, 1412992, 1487360, 1545460, 1766240, 2018560, 2082304, 2383360, 2472736, 2602880, 2825984, 3090920, 3532480, 4037120, 4945472, 5205760, 5651968, 6181840, 7064960, 9890944, 10411520, 12363680, 14129920, 19781888, 24727360, 28259840, 39563776, 49454720, 98909440, 197818880]

約数ペア:

[(1, 197818880), (2, 98909440), (4, 49454720), (5, 39563776), (7, 28259840), (8, 24727360), (10, 19781888), (14, 14129920), (16, 12363680), (19, 10411520), (20, 9890944), (28, 7064960), (32, 6181840), (35, 5651968), (38, 5205760), (40, 4945472), (49, 4037120), (56, 3532480), (64, 3090920), (70, 2825984), (76, 2602880), (80, 2472736), (83, 2383360), (95, 2082304), (98, 2018560), (112, 1766240), (128, 1545460), (133, 1487360), (140, 1412992), (152, 1301440), (160, 1236368), (166, 1191680), (190, 1041152), (196, 1009280), (224, 883120), (245, 807424), (256, 772730), (266, 743680), (280, 706496), (304, 650720), (320, 618184), (332, 595840), (380, 520576), (392, 504640), (415, 476672), (448, 441560), (490, 403712), (512, 386365), (532, 371840), (560, 353248), (581, 340480), (608, 325360), (640, 309092), (664, 297920), (665, 297472), (760, 260288), (784, 252320), (830, 238336), (896, 220780), (931, 212480), (980, 201856), (1064, 185920), (1120, 176624), (1162, 170240), (1216, 162680), (1280, 154546), (1328, 148960), (1330, 148736), (1520, 130144), (1568, 126160), (1577, 125440), (1660, 119168), (1792, 110390), (1862, 106240), (1960, 100928), (2128, 92960), (2240, 88312), (2324, 85120), (2432, 81340), (2560, 77273), (2656, 74480), (2660, 74368), (2905, 68096), (3040, 65072), (3136, 63080), (3154, 62720), (3320, 59584), (3584, 55195), (3724, 53120), (3920, 50464), (4067, 48640), (4256, 46480), (4480, 44156), (4648, 42560), (4655, 42496), (4864, 40670), (5312, 37240), (5320, 37184), (5810, 34048), (6080, 32536), (6272, 31540), (6308, 31360), (6640, 29792), (7448, 26560), (7840, 25232), (7885, 25088), (8134, 24320), (8512, 23240), (8960, 22078), (9296, 21280), (9310, 21248), (9728, 20335), (10624, 18620), (10640, 18592), (11039, 17920), (11620, 17024), (12160, 16268), (12544, 15770), (12616, 15680), (13280, 14896)]