381488000

素因数分解:

$2^7\times 5^3\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 128

約数和(自身を含む): 961403040

約数和(自身を除く): 579915040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 113, 125, 128, 160, 200, 211, 226, 250, 320, 400, 422, 452, 500, 565, 640, 800, 844, 904, 1000, 1055, 1130, 1600, 1688, 1808, 2000, 2110, 2260, 2825, 3200, 3376, 3616, 4000, 4220, 4520, 5275, 5650, 6752, 7232, 8000, 8440, 9040, 10550, 11300, 13504, 14125, 14464, 16000, 16880, 18080, 21100, 22600, 23843, 26375, 27008, 28250, 33760, 36160, 42200, 45200, 47686, 52750, 56500, 67520, 72320, 84400, 90400, 95372, 105500, 113000, 119215, 135040, 168800, 180800, 190744, 211000, 226000, 238430, 337600, 361600, 381488, 422000, 452000, 476860, 596075, 675200, 762976, 844000, 904000, 953720, 1192150, 1525952, 1688000, 1808000, 1907440, 2384300, 2980375, 3051904, 3376000, 3814880, 4768600, 5960750, 7629760, 9537200, 11921500, 15259520, 19074400, 23843000, 38148800, 47686000, 76297600, 95372000, 190744000, 381488000]

約数ペア:

[(1, 381488000), (2, 190744000), (4, 95372000), (5, 76297600), (8, 47686000), (10, 38148800), (16, 23843000), (20, 19074400), (25, 15259520), (32, 11921500), (40, 9537200), (50, 7629760), (64, 5960750), (80, 4768600), (100, 3814880), (113, 3376000), (125, 3051904), (128, 2980375), (160, 2384300), (200, 1907440), (211, 1808000), (226, 1688000), (250, 1525952), (320, 1192150), (400, 953720), (422, 904000), (452, 844000), (500, 762976), (565, 675200), (640, 596075), (800, 476860), (844, 452000), (904, 422000), (1000, 381488), (1055, 361600), (1130, 337600), (1600, 238430), (1688, 226000), (1808, 211000), (2000, 190744), (2110, 180800), (2260, 168800), (2825, 135040), (3200, 119215), (3376, 113000), (3616, 105500), (4000, 95372), (4220, 90400), (4520, 84400), (5275, 72320), (5650, 67520), (6752, 56500), (7232, 52750), (8000, 47686), (8440, 45200), (9040, 42200), (10550, 36160), (11300, 33760), (13504, 28250), (14125, 27008), (14464, 26375), (16000, 23843), (16880, 22600), (18080, 21100)]