2879660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 7037184

約数和(自身を除く): 4157524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 307, 335, 469, 614, 670, 938, 1228, 1340, 1535, 1876, 2149, 2345, 3070, 4298, 4690, 6140, 8596, 9380, 10745, 20569, 21490, 41138, 42980, 82276, 102845, 143983, 205690, 287966, 411380, 575932, 719915, 1439830, 2879660]

約数ペア:

[(1, 2879660), (2, 1439830), (4, 719915), (5, 575932), (7, 411380), (10, 287966), (14, 205690), (20, 143983), (28, 102845), (35, 82276), (67, 42980), (70, 41138), (134, 21490), (140, 20569), (268, 10745), (307, 9380), (335, 8596), (469, 6140), (614, 4690), (670, 4298), (938, 3070), (1228, 2345), (1340, 2149), (1535, 1876)]