388371080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{859}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 891648000

約数和(自身を除く): 503276920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 127, 178, 254, 356, 445, 508, 635, 712, 859, 890, 1016, 1270, 1718, 1780, 2540, 3436, 3560, 4295, 5080, 6872, 8590, 11303, 17180, 22606, 34360, 45212, 56515, 76451, 90424, 109093, 113030, 152902, 218186, 226060, 305804, 382255, 436372, 452120, 545465, 611608, 764510, 872744, 1090930, 1529020, 2181860, 3058040, 4363720, 9709277, 19418554, 38837108, 48546385, 77674216, 97092770, 194185540, 388371080]

約数ペア:

[(1, 388371080), (2, 194185540), (4, 97092770), (5, 77674216), (8, 48546385), (10, 38837108), (20, 19418554), (40, 9709277), (89, 4363720), (127, 3058040), (178, 2181860), (254, 1529020), (356, 1090930), (445, 872744), (508, 764510), (635, 611608), (712, 545465), (859, 452120), (890, 436372), (1016, 382255), (1270, 305804), (1718, 226060), (1780, 218186), (2540, 152902), (3436, 113030), (3560, 109093), (4295, 90424), (5080, 76451), (6872, 56515), (8590, 45212), (11303, 34360), (17180, 22606)]