871640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 2453760

約数和(自身を除く): 1582120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 283, 308, 385, 440, 566, 616, 770, 1132, 1415, 1540, 1981, 2264, 2830, 3080, 3113, 3962, 5660, 6226, 7924, 9905, 11320, 12452, 15565, 15848, 19810, 21791, 24904, 31130, 39620, 43582, 62260, 79240, 87164, 108955, 124520, 174328, 217910, 435820, 871640]

約数ペア:

[(1, 871640), (2, 435820), (4, 217910), (5, 174328), (7, 124520), (8, 108955), (10, 87164), (11, 79240), (14, 62260), (20, 43582), (22, 39620), (28, 31130), (35, 24904), (40, 21791), (44, 19810), (55, 15848), (56, 15565), (70, 12452), (77, 11320), (88, 9905), (110, 7924), (140, 6226), (154, 5660), (220, 3962), (280, 3113), (283, 3080), (308, 2830), (385, 2264), (440, 1981), (566, 1540), (616, 1415), (770, 1132)]