131437180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40819}}^1$

素因数の和:40858

約数の個数: 48

約数和(自身を含む): 329172480

約数和(自身を除く): 197735300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 40819, 81638, 163276, 204095, 285733, 408190, 571466, 816380, 938837, 1142932, 1428665, 1877674, 2857330, 3755348, 4694185, 5714660, 6571859, 9388370, 13143718, 18776740, 26287436, 32859295, 65718590, 131437180]

約数ペア:

[(1, 131437180), (2, 65718590), (4, 32859295), (5, 26287436), (7, 18776740), (10, 13143718), (14, 9388370), (20, 6571859), (23, 5714660), (28, 4694185), (35, 3755348), (46, 2857330), (70, 1877674), (92, 1428665), (115, 1142932), (140, 938837), (161, 816380), (230, 571466), (322, 408190), (460, 285733), (644, 204095), (805, 163276), (1610, 81638), (3220, 40819)]