140729600

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1999}}^1$

素因数の和:2036

約数の個数: 108

約数和(自身を含む): 380184000

約数和(自身を除く): 239454400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 256, 275, 320, 352, 400, 440, 550, 640, 704, 800, 880, 1100, 1280, 1408, 1600, 1760, 1999, 2200, 2816, 3200, 3520, 3998, 4400, 6400, 7040, 7996, 8800, 9995, 14080, 15992, 17600, 19990, 21989, 31984, 35200, 39980, 43978, 49975, 63968, 70400, 79960, 87956, 99950, 109945, 127936, 159920, 175912, 199900, 219890, 255872, 319840, 351824, 399800, 439780, 511744, 549725, 639680, 703648, 799600, 879560, 1099450, 1279360, 1407296, 1599200, 1759120, 2198900, 2558720, 2814592, 3198400, 3518240, 4397800, 5629184, 6396800, 7036480, 8795600, 12793600, 14072960, 17591200, 28145920, 35182400, 70364800, 140729600]

約数ペア:

[(1, 140729600), (2, 70364800), (4, 35182400), (5, 28145920), (8, 17591200), (10, 14072960), (11, 12793600), (16, 8795600), (20, 7036480), (22, 6396800), (25, 5629184), (32, 4397800), (40, 3518240), (44, 3198400), (50, 2814592), (55, 2558720), (64, 2198900), (80, 1759120), (88, 1599200), (100, 1407296), (110, 1279360), (128, 1099450), (160, 879560), (176, 799600), (200, 703648), (220, 639680), (256, 549725), (275, 511744), (320, 439780), (352, 399800), (400, 351824), (440, 319840), (550, 255872), (640, 219890), (704, 199900), (800, 175912), (880, 159920), (1100, 127936), (1280, 109945), (1408, 99950), (1600, 87956), (1760, 79960), (1999, 70400), (2200, 63968), (2816, 49975), (3200, 43978), (3520, 39980), (3998, 35200), (4400, 31984), (6400, 21989), (7040, 19990), (7996, 17600), (8800, 15992), (9995, 14080)]