278323120

素因数分解:

$2^4\times 5^1\times {\mathrm{3479039}}^1$

素因数の和:3479052

約数の個数: 20

約数和(自身を含む): 647101440

約数和(自身を除く): 368778320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3479039, 6958078, 13916156, 17395195, 27832312, 34790390, 55664624, 69580780, 139161560, 278323120]

約数ペア:

[(1, 278323120), (2, 139161560), (4, 69580780), (5, 55664624), (8, 34790390), (10, 27832312), (16, 17395195), (20, 13916156), (40, 6958078), (80, 3479039)]