28882140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68767}}^1$

素因数の和:68786

約数の個数: 48

約数和(自身を含む): 92424192

約数和(自身を除く): 63542052

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, 68767, 137534, 206301, 275068, 343835, 412602, 481369, 687670, 825204, 962738, 1031505, 1375340, 1444107, 1925476, 2063010, 2406845, 2888214, 4126020, 4813690, 5776428, 7220535, 9627380, 14441070, 28882140]

約数ペア:

[(1, 28882140), (2, 14441070), (3, 9627380), (4, 7220535), (5, 5776428), (6, 4813690), (7, 4126020), (10, 2888214), (12, 2406845), (14, 2063010), (15, 1925476), (20, 1444107), (21, 1375340), (28, 1031505), (30, 962738), (35, 825204), (42, 687670), (60, 481369), (70, 412602), (84, 343835), (105, 275068), (140, 206301), (210, 137534), (420, 68767)]