28243740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67247}}^1$

素因数の和:67266

約数の個数: 48

約数和(自身を含む): 90381312

約数和(自身を除く): 62137572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 67247, 134494, 201741, 268988, 336235, 403482, 470729, 672470, 806964, 941458, 1008705, 1344940, 1412187, 1882916, 2017410, 2353645, 2824374, 4034820, 4707290, 5648748, 7060935, 9414580, 14121870, 28243740]

約数ペア:

[(1, 28243740), (2, 14121870), (3, 9414580), (4, 7060935), (5, 5648748), (6, 4707290), (7, 4034820), (10, 2824374), (12, 2353645), (14, 2017410), (15, 1882916), (20, 1412187), (21, 1344940), (28, 1008705), (30, 941458), (35, 806964), (42, 672470), (60, 470729), (70, 403482), (84, 336235), (105, 268988), (140, 201741), (210, 134494), (420, 67247)]