217693840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1759}}^1$

素因数の和:1809

約数の個数: 160

約数和(自身を含む): 659957760

約数和(自身を除く): 442263920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 80, 85, 91, 104, 112, 119, 130, 136, 140, 170, 182, 208, 221, 238, 260, 272, 280, 340, 364, 442, 455, 476, 520, 560, 595, 680, 728, 884, 910, 952, 1040, 1105, 1190, 1360, 1456, 1547, 1759, 1768, 1820, 1904, 2210, 2380, 3094, 3518, 3536, 3640, 4420, 4760, 6188, 7036, 7280, 7735, 8795, 8840, 9520, 12313, 12376, 14072, 15470, 17590, 17680, 22867, 24626, 24752, 28144, 29903, 30940, 35180, 45734, 49252, 59806, 61565, 61880, 70360, 91468, 98504, 114335, 119612, 123130, 123760, 140720, 149515, 160069, 182936, 197008, 209321, 228670, 239224, 246260, 299030, 320138, 365872, 388739, 418642, 457340, 478448, 492520, 598060, 640276, 777478, 800345, 837284, 914680, 985040, 1046605, 1196120, 1280552, 1554956, 1600690, 1674568, 1829360, 1943695, 2093210, 2392240, 2561104, 2721173, 3109912, 3201380, 3349136, 3887390, 4186420, 5442346, 6219824, 6402760, 7774780, 8372840, 10884692, 12805520, 13605865, 15549560, 16745680, 21769384, 27211730, 31099120, 43538768, 54423460, 108846920, 217693840]

約数ペア:

[(1, 217693840), (2, 108846920), (4, 54423460), (5, 43538768), (7, 31099120), (8, 27211730), (10, 21769384), (13, 16745680), (14, 15549560), (16, 13605865), (17, 12805520), (20, 10884692), (26, 8372840), (28, 7774780), (34, 6402760), (35, 6219824), (40, 5442346), (52, 4186420), (56, 3887390), (65, 3349136), (68, 3201380), (70, 3109912), (80, 2721173), (85, 2561104), (91, 2392240), (104, 2093210), (112, 1943695), (119, 1829360), (130, 1674568), (136, 1600690), (140, 1554956), (170, 1280552), (182, 1196120), (208, 1046605), (221, 985040), (238, 914680), (260, 837284), (272, 800345), (280, 777478), (340, 640276), (364, 598060), (442, 492520), (455, 478448), (476, 457340), (520, 418642), (560, 388739), (595, 365872), (680, 320138), (728, 299030), (884, 246260), (910, 239224), (952, 228670), (1040, 209321), (1105, 197008), (1190, 182936), (1360, 160069), (1456, 149515), (1547, 140720), (1759, 123760), (1768, 123130), (1820, 119612), (1904, 114335), (2210, 98504), (2380, 91468), (3094, 70360), (3518, 61880), (3536, 61565), (3640, 59806), (4420, 49252), (4760, 45734), (6188, 35180), (7036, 30940), (7280, 29903), (7735, 28144), (8795, 24752), (8840, 24626), (9520, 22867), (12313, 17680), (12376, 17590), (14072, 15470)]