2807465.00000000

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263191}}^1$

素因数の和:263209

約数の個数: 32

約数和(自身を含む): 189498240

約数和(自身を除く): 115804760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 263191, 526382, 1052764, 1315955, 1842337, 2105528, 2631910, 3684674, 5263820, 7369348, 9211685, 10527640, 14738696, 18423370, 36846740, 73693480]

約数ペア:

[(1, 73693480), (2, 36846740), (4, 18423370), (5, 14738696), (7, 10527640), (8, 9211685), (10, 7369348), (14, 5263820), (20, 3684674), (28, 2631910), (35, 2105528), (40, 1842337), (56, 1315955), (70, 1052764), (140, 526382), (280, 263191)]