3051580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 7451136

約数和(自身を除く): 4399556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 307, 355, 497, 614, 710, 994, 1228, 1420, 1535, 1988, 2149, 2485, 3070, 4298, 4970, 6140, 8596, 9940, 10745, 21490, 21797, 42980, 43594, 87188, 108985, 152579, 217970, 305158, 435940, 610316, 762895, 1525790, 3051580]

約数ペア:

[(1, 3051580), (2, 1525790), (4, 762895), (5, 610316), (7, 435940), (10, 305158), (14, 217970), (20, 152579), (28, 108985), (35, 87188), (70, 43594), (71, 42980), (140, 21797), (142, 21490), (284, 10745), (307, 9940), (355, 8596), (497, 6140), (614, 4970), (710, 4298), (994, 3070), (1228, 2485), (1420, 2149), (1535, 1988)]