201654880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{449}}^1$

素因数の和:872

約数の個数: 96

約数和(自身を含む): 547041600

約数和(自身を除く): 345386720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 401, 449, 560, 802, 898, 1120, 1604, 1796, 2005, 2245, 2807, 3143, 3208, 3592, 4010, 4490, 5614, 6286, 6416, 7184, 8020, 8980, 11228, 12572, 12832, 14035, 14368, 15715, 16040, 17960, 22456, 25144, 28070, 31430, 32080, 35920, 44912, 50288, 56140, 62860, 64160, 71840, 89824, 100576, 112280, 125720, 180049, 224560, 251440, 360098, 449120, 502880, 720196, 900245, 1260343, 1440392, 1800490, 2520686, 2880784, 3600980, 5041372, 5761568, 6301715, 7201960, 10082744, 12603430, 14403920, 20165488, 25206860, 28807840, 40330976, 50413720, 100827440, 201654880]

約数ペア:

[(1, 201654880), (2, 100827440), (4, 50413720), (5, 40330976), (7, 28807840), (8, 25206860), (10, 20165488), (14, 14403920), (16, 12603430), (20, 10082744), (28, 7201960), (32, 6301715), (35, 5761568), (40, 5041372), (56, 3600980), (70, 2880784), (80, 2520686), (112, 1800490), (140, 1440392), (160, 1260343), (224, 900245), (280, 720196), (401, 502880), (449, 449120), (560, 360098), (802, 251440), (898, 224560), (1120, 180049), (1604, 125720), (1796, 112280), (2005, 100576), (2245, 89824), (2807, 71840), (3143, 64160), (3208, 62860), (3592, 56140), (4010, 50288), (4490, 44912), (5614, 35920), (6286, 32080), (6416, 31430), (7184, 28070), (8020, 25144), (8980, 22456), (11228, 17960), (12572, 16040), (12832, 15715), (14035, 14368)]