209383720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 256

約数和(自身を含む): 629959680

約数和(自身を除く): 420575960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 41, 46, 52, 56, 61, 65, 70, 82, 91, 92, 104, 115, 122, 130, 140, 161, 164, 182, 184, 205, 230, 244, 260, 280, 287, 299, 305, 322, 328, 364, 410, 427, 455, 460, 488, 520, 533, 574, 598, 610, 644, 728, 793, 805, 820, 854, 910, 920, 943, 1066, 1148, 1196, 1220, 1288, 1403, 1435, 1495, 1586, 1610, 1640, 1708, 1820, 1886, 2093, 2132, 2135, 2296, 2392, 2440, 2501, 2665, 2806, 2870, 2990, 3172, 3220, 3416, 3640, 3731, 3772, 3965, 4186, 4264, 4270, 4715, 5002, 5330, 5551, 5612, 5740, 5980, 6344, 6440, 6601, 7015, 7462, 7544, 7930, 8372, 8540, 9430, 9821, 10004, 10465, 10660, 11102, 11224, 11480, 11960, 12259, 12505, 13202, 14030, 14924, 15860, 16744, 17080, 17507, 18239, 18655, 18860, 19642, 20008, 20930, 21320, 22204, 24518, 25010, 26404, 27755, 28060, 29848, 31720, 32513, 33005, 35014, 36478, 37310, 37720, 39284, 41860, 44408, 49036, 49105, 50020, 52808, 55510, 56120, 57523, 61295, 65026, 66010, 70028, 72956, 74620, 78568, 83720, 85813, 87535, 91195, 98072, 98210, 100040, 111020, 115046, 122590, 127673, 130052, 132020, 140056, 145912, 149240, 162565, 171626, 175070, 182390, 196420, 222040, 227591, 230092, 245180, 255346, 260104, 264040, 287615, 325130, 343252, 350140, 364780, 392840, 402661, 429065, 455182, 460184, 490360, 510692, 575230, 638365, 650260, 686504, 700280, 729560, 747799, 805322, 858130, 910364, 1021384, 1137955, 1150460, 1276730, 1300520, 1495598, 1610644, 1716260, 1820728, 2013305, 2275910, 2300920, 2553460, 2991196, 3221288, 3432520, 3738995, 4026610, 4551820, 5106920, 5234593, 5982392, 7477990, 8053220, 9103640, 10469186, 14955980, 16106440, 20938372, 26172965, 29911960, 41876744, 52345930, 104691860, 209383720]

約数ペア:

[(1, 209383720), (2, 104691860), (4, 52345930), (5, 41876744), (7, 29911960), (8, 26172965), (10, 20938372), (13, 16106440), (14, 14955980), (20, 10469186), (23, 9103640), (26, 8053220), (28, 7477990), (35, 5982392), (40, 5234593), (41, 5106920), (46, 4551820), (52, 4026610), (56, 3738995), (61, 3432520), (65, 3221288), (70, 2991196), (82, 2553460), (91, 2300920), (92, 2275910), (104, 2013305), (115, 1820728), (122, 1716260), (130, 1610644), (140, 1495598), (161, 1300520), (164, 1276730), (182, 1150460), (184, 1137955), (205, 1021384), (230, 910364), (244, 858130), (260, 805322), (280, 747799), (287, 729560), (299, 700280), (305, 686504), (322, 650260), (328, 638365), (364, 575230), (410, 510692), (427, 490360), (455, 460184), (460, 455182), (488, 429065), (520, 402661), (533, 392840), (574, 364780), (598, 350140), (610, 343252), (644, 325130), (728, 287615), (793, 264040), (805, 260104), (820, 255346), (854, 245180), (910, 230092), (920, 227591), (943, 222040), (1066, 196420), (1148, 182390), (1196, 175070), (1220, 171626), (1288, 162565), (1403, 149240), (1435, 145912), (1495, 140056), (1586, 132020), (1610, 130052), (1640, 127673), (1708, 122590), (1820, 115046), (1886, 111020), (2093, 100040), (2132, 98210), (2135, 98072), (2296, 91195), (2392, 87535), (2440, 85813), (2501, 83720), (2665, 78568), (2806, 74620), (2870, 72956), (2990, 70028), (3172, 66010), (3220, 65026), (3416, 61295), (3640, 57523), (3731, 56120), (3772, 55510), (3965, 52808), (4186, 50020), (4264, 49105), (4270, 49036), (4715, 44408), (5002, 41860), (5330, 39284), (5551, 37720), (5612, 37310), (5740, 36478), (5980, 35014), (6344, 33005), (6440, 32513), (6601, 31720), (7015, 29848), (7462, 28060), (7544, 27755), (7930, 26404), (8372, 25010), (8540, 24518), (9430, 22204), (9821, 21320), (10004, 20930), (10465, 20008), (10660, 19642), (11102, 18860), (11224, 18655), (11480, 18239), (11960, 17507), (12259, 17080), (12505, 16744), (13202, 15860), (14030, 14924)]