2783200840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9940003}}^1$

素因数の和:9940021

約数の個数: 32

約数和(自身を含む): 7156802880

約数和(自身を除く): 4373602040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9940003, 19880006, 39760012, 49700015, 69580021, 79520024, 99400030, 139160042, 198800060, 278320084, 347900105, 397600120, 556640168, 695800210, 1391600420, 2783200840]

約数ペア:

[(1, 2783200840), (2, 1391600420), (4, 695800210), (5, 556640168), (7, 397600120), (8, 347900105), (10, 278320084), (14, 198800060), (20, 139160042), (28, 99400030), (35, 79520024), (40, 69580021), (56, 49700015), (70, 39760012), (140, 19880006), (280, 9940003)]