2978940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 8426880

約数和(自身を除く): 5447940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 379, 393, 524, 655, 758, 786, 1137, 1310, 1516, 1572, 1895, 1965, 2274, 2620, 3790, 3930, 4548, 5685, 7580, 7860, 11370, 22740, 49649, 99298, 148947, 198596, 248245, 297894, 496490, 595788, 744735, 992980, 1489470, 2978940]

約数ペア:

[(1, 2978940), (2, 1489470), (3, 992980), (4, 744735), (5, 595788), (6, 496490), (10, 297894), (12, 248245), (15, 198596), (20, 148947), (30, 99298), (60, 49649), (131, 22740), (262, 11370), (379, 7860), (393, 7580), (524, 5685), (655, 4548), (758, 3930), (786, 3790), (1137, 2620), (1310, 2274), (1516, 1965), (1572, 1895)]