28862680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9371}}^1$

素因数の和:9400

約数の個数: 64

約数和(自身を含む): 80974080

約数和(自身を除く): 52111400

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, 308, 385, 440, 616, 770, 1540, 3080, 9371, 18742, 37484, 46855, 65597, 74968, 93710, 103081, 131194, 187420, 206162, 262388, 327985, 374840, 412324, 515405, 524776, 655970, 721567, 824648, 1030810, 1311940, 1443134, 2061620, 2623880, 2886268, 3607835, 4123240, 5772536, 7215670, 14431340, 28862680]

約数ペア:

[(1, 28862680), (2, 14431340), (4, 7215670), (5, 5772536), (7, 4123240), (8, 3607835), (10, 2886268), (11, 2623880), (14, 2061620), (20, 1443134), (22, 1311940), (28, 1030810), (35, 824648), (40, 721567), (44, 655970), (55, 524776), (56, 515405), (70, 412324), (77, 374840), (88, 327985), (110, 262388), (140, 206162), (154, 187420), (220, 131194), (280, 103081), (308, 93710), (385, 74968), (440, 65597), (616, 46855), (770, 37484), (1540, 18742), (3080, 9371)]