2556554980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{18691}}^1$

素因数の和:19684

約数の個数: 48

約数和(自身を含む): 6142340736

約数和(自身を除く): 3585785756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 977, 1954, 3908, 4885, 6839, 9770, 13678, 18691, 19540, 27356, 34195, 37382, 68390, 74764, 93455, 130837, 136780, 186910, 261674, 373820, 523348, 654185, 1308370, 2616740, 18261107, 36522214, 73044428, 91305535, 127827749, 182611070, 255655498, 365222140, 511310996, 639138745, 1278277490, 2556554980]

約数ペア:

[(1, 2556554980), (2, 1278277490), (4, 639138745), (5, 511310996), (7, 365222140), (10, 255655498), (14, 182611070), (20, 127827749), (28, 91305535), (35, 73044428), (70, 36522214), (140, 18261107), (977, 2616740), (1954, 1308370), (3908, 654185), (4885, 523348), (6839, 373820), (9770, 261674), (13678, 186910), (18691, 136780), (19540, 130837), (27356, 93455), (34195, 74764), (37382, 68390)]