28144790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 55978560

約数和(自身を除く): 27833770

約数列:

[1, 2, 5, 10, 29, 37, 43, 58, 61, 74, 86, 122, 145, 185, 215, 290, 305, 370, 430, 610, 1073, 1247, 1591, 1769, 2146, 2257, 2494, 2623, 3182, 3538, 4514, 5246, 5365, 6235, 7955, 8845, 10730, 11285, 12470, 13115, 15910, 17690, 22570, 26230, 46139, 65453, 76067, 92278, 97051, 130906, 152134, 194102, 230695, 327265, 380335, 461390, 485255, 654530, 760670, 970510, 2814479, 5628958, 14072395, 28144790]

約数ペア:

[(1, 28144790), (2, 14072395), (5, 5628958), (10, 2814479), (29, 970510), (37, 760670), (43, 654530), (58, 485255), (61, 461390), (74, 380335), (86, 327265), (122, 230695), (145, 194102), (185, 152134), (215, 130906), (290, 97051), (305, 92278), (370, 76067), (430, 65453), (610, 46139), (1073, 26230), (1247, 22570), (1591, 17690), (1769, 15910), (2146, 13115), (2257, 12470), (2494, 11285), (2623, 10730), (3182, 8845), (3538, 7955), (4514, 6235), (5246, 5365)]