289553920

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5953}}^1$

素因数の和:5995

約数の個数: 80

約数和(自身を含む): 730913040

約数和(自身を除く): 441359120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 2432, 2560, 3040, 4864, 5953, 6080, 9728, 11906, 12160, 23812, 24320, 29765, 47624, 48640, 59530, 95248, 113107, 119060, 190496, 226214, 238120, 380992, 452428, 476240, 565535, 761984, 904856, 952480, 1131070, 1523968, 1809712, 1904960, 2262140, 3047936, 3619424, 3809920, 4524280, 7238848, 7619840, 9048560, 14477696, 15239680, 18097120, 28955392, 36194240, 57910784, 72388480, 144776960, 289553920]

約数ペア:

[(1, 289553920), (2, 144776960), (4, 72388480), (5, 57910784), (8, 36194240), (10, 28955392), (16, 18097120), (19, 15239680), (20, 14477696), (32, 9048560), (38, 7619840), (40, 7238848), (64, 4524280), (76, 3809920), (80, 3619424), (95, 3047936), (128, 2262140), (152, 1904960), (160, 1809712), (190, 1523968), (256, 1131070), (304, 952480), (320, 904856), (380, 761984), (512, 565535), (608, 476240), (640, 452428), (760, 380992), (1216, 238120), (1280, 226214), (1520, 190496), (2432, 119060), (2560, 113107), (3040, 95248), (4864, 59530), (5953, 48640), (6080, 47624), (9728, 29765), (11906, 24320), (12160, 23812)]