1977400

素因数分解:

$2^3\times 5^2\times {\mathrm{9887}}^1$

素因数の和:9903

約数の個数: 24

約数和(自身を含む): 4597920

約数和(自身を除く): 2620520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 9887, 19774, 39548, 49435, 79096, 98870, 197740, 247175, 395480, 494350, 988700, 1977400]

約数ペア:

[(1, 1977400), (2, 988700), (4, 494350), (5, 395480), (8, 247175), (10, 197740), (20, 98870), (25, 79096), (40, 49435), (50, 39548), (100, 19774), (200, 9887)]