3948340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 9180864

約数和(自身を除く): 5232524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 137, 220, 262, 274, 524, 548, 655, 685, 1310, 1370, 1441, 1507, 2620, 2740, 2882, 3014, 5764, 6028, 7205, 7535, 14410, 15070, 17947, 28820, 30140, 35894, 71788, 89735, 179470, 197417, 358940, 394834, 789668, 987085, 1974170, 3948340]

約数ペア:

[(1, 3948340), (2, 1974170), (4, 987085), (5, 789668), (10, 394834), (11, 358940), (20, 197417), (22, 179470), (44, 89735), (55, 71788), (110, 35894), (131, 30140), (137, 28820), (220, 17947), (262, 15070), (274, 14410), (524, 7535), (548, 7205), (655, 6028), (685, 5764), (1310, 3014), (1370, 2882), (1441, 2740), (1507, 2620)]