30990108

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2389}}^1$

素因数の和:2466

約数の個数: 48

約数和(自身を含む): 77091840

約数和(自身を除く): 46101732

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 47, 69, 92, 94, 138, 141, 188, 276, 282, 564, 1081, 2162, 2389, 3243, 4324, 4778, 6486, 7167, 9556, 12972, 14334, 28668, 54947, 109894, 112283, 164841, 219788, 224566, 329682, 336849, 449132, 659364, 673698, 1347396, 2582509, 5165018, 7747527, 10330036, 15495054, 30990108]

約数ペア:

[(1, 30990108), (2, 15495054), (3, 10330036), (4, 7747527), (6, 5165018), (12, 2582509), (23, 1347396), (46, 673698), (47, 659364), (69, 449132), (92, 336849), (94, 329682), (138, 224566), (141, 219788), (188, 164841), (276, 112283), (282, 109894), (564, 54947), (1081, 28668), (2162, 14334), (2389, 12972), (3243, 9556), (4324, 7167), (4778, 6486)]