3887940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{9257}}^1$

素因数の和:9276

約数の個数: 48

約数和(自身を含む): 12442752

約数和(自身を除く): 8554812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 9257, 18514, 27771, 37028, 46285, 55542, 64799, 92570, 111084, 129598, 138855, 185140, 194397, 259196, 277710, 323995, 388794, 555420, 647990, 777588, 971985, 1295980, 1943970, 3887940]

約数ペア:

[(1, 3887940), (2, 1943970), (3, 1295980), (4, 971985), (5, 777588), (6, 647990), (7, 555420), (10, 388794), (12, 323995), (14, 277710), (15, 259196), (20, 194397), (21, 185140), (28, 138855), (30, 129598), (35, 111084), (42, 92570), (60, 64799), (70, 55542), (84, 46285), (105, 37028), (140, 27771), (210, 18514), (420, 9257)]