227555840

素因数分解:

$2^9\times 5^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:989

約数の個数: 80

約数和(自身を含む): 551536128

約数和(自身を除く): 323980288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 320, 412, 512, 515, 640, 824, 863, 1030, 1280, 1648, 1726, 2060, 2560, 3296, 3452, 4120, 4315, 6592, 6904, 8240, 8630, 13184, 13808, 16480, 17260, 26368, 27616, 32960, 34520, 52736, 55232, 65920, 69040, 88889, 110464, 131840, 138080, 177778, 220928, 263680, 276160, 355556, 441856, 444445, 552320, 711112, 888890, 1104640, 1422224, 1777780, 2209280, 2844448, 3555560, 5688896, 7111120, 11377792, 14222240, 22755584, 28444480, 45511168, 56888960, 113777920, 227555840]

約数ペア:

[(1, 227555840), (2, 113777920), (4, 56888960), (5, 45511168), (8, 28444480), (10, 22755584), (16, 14222240), (20, 11377792), (32, 7111120), (40, 5688896), (64, 3555560), (80, 2844448), (103, 2209280), (128, 1777780), (160, 1422224), (206, 1104640), (256, 888890), (320, 711112), (412, 552320), (512, 444445), (515, 441856), (640, 355556), (824, 276160), (863, 263680), (1030, 220928), (1280, 177778), (1648, 138080), (1726, 131840), (2060, 110464), (2560, 88889), (3296, 69040), (3452, 65920), (4120, 55232), (4315, 52736), (6592, 34520), (6904, 32960), (8240, 27616), (8630, 26368), (13184, 17260), (13808, 16480)]