388635520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6673}}^1$

素因数の和:6712

約数の個数: 128

約数和(自身を含む): 1143656640

約数和(自身を除く): 755021120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 4160, 4480, 5824, 6673, 7280, 8320, 11648, 13346, 14560, 26692, 29120, 33365, 46711, 53384, 58240, 66730, 86749, 93422, 106768, 133460, 173498, 186844, 213536, 233555, 266920, 346996, 373688, 427072, 433745, 467110, 533840, 607243, 693992, 747376, 854144, 867490, 934220, 1067680, 1214486, 1387984, 1494752, 1734980, 1868440, 2135360, 2428972, 2775968, 2989504, 3036215, 3469960, 3736880, 4270720, 4857944, 5551936, 5979008, 6072430, 6939920, 7473760, 9715888, 11103872, 12144860, 13879840, 14947520, 19431776, 24289720, 27759680, 29895040, 38863552, 48579440, 55519360, 77727104, 97158880, 194317760, 388635520]

約数ペア:

[(1, 388635520), (2, 194317760), (4, 97158880), (5, 77727104), (7, 55519360), (8, 48579440), (10, 38863552), (13, 29895040), (14, 27759680), (16, 24289720), (20, 19431776), (26, 14947520), (28, 13879840), (32, 12144860), (35, 11103872), (40, 9715888), (52, 7473760), (56, 6939920), (64, 6072430), (65, 5979008), (70, 5551936), (80, 4857944), (91, 4270720), (104, 3736880), (112, 3469960), (128, 3036215), (130, 2989504), (140, 2775968), (160, 2428972), (182, 2135360), (208, 1868440), (224, 1734980), (260, 1494752), (280, 1387984), (320, 1214486), (364, 1067680), (416, 934220), (448, 867490), (455, 854144), (520, 747376), (560, 693992), (640, 607243), (728, 533840), (832, 467110), (896, 433745), (910, 427072), (1040, 373688), (1120, 346996), (1456, 266920), (1664, 233555), (1820, 213536), (2080, 186844), (2240, 173498), (2912, 133460), (3640, 106768), (4160, 93422), (4480, 86749), (5824, 66730), (6673, 58240), (7280, 53384), (8320, 46711), (11648, 33365), (13346, 29120), (14560, 26692)]