2490209960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{8893607}}^1$

素因数の和:8893625

約数の個数: 32

約数和(自身を含む): 6403397760

約数和(自身を除く): 3913187800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 8893607, 17787214, 35574428, 44468035, 62255249, 71148856, 88936070, 124510498, 177872140, 249020996, 311276245, 355744280, 498041992, 622552490, 1245104980, 2490209960]

約数ペア:

[(1, 2490209960), (2, 1245104980), (4, 622552490), (5, 498041992), (7, 355744280), (8, 311276245), (10, 249020996), (14, 177872140), (20, 124510498), (28, 88936070), (35, 71148856), (40, 62255249), (56, 44468035), (70, 35574428), (140, 17787214), (280, 8893607)]