2512580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 6120576

約数和(自身を除く): 3607996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 137, 140, 262, 274, 524, 548, 655, 685, 917, 959, 1310, 1370, 1834, 1918, 2620, 2740, 3668, 3836, 4585, 4795, 9170, 9590, 17947, 18340, 19180, 35894, 71788, 89735, 125629, 179470, 251258, 358940, 502516, 628145, 1256290, 2512580]

約数ペア:

[(1, 2512580), (2, 1256290), (4, 628145), (5, 502516), (7, 358940), (10, 251258), (14, 179470), (20, 125629), (28, 89735), (35, 71788), (70, 35894), (131, 19180), (137, 18340), (140, 17947), (262, 9590), (274, 9170), (524, 4795), (548, 4585), (655, 3836), (685, 3668), (917, 2740), (959, 2620), (1310, 1918), (1370, 1834)]