897800

素因数分解:

$2^3\times 5^2\times {\mathrm{67}}^2$

素因数の和:150

約数の個数: 36

約数和(自身を含む): 2119005

約数和(自身を除く): 1221205

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 100, 134, 200, 268, 335, 536, 670, 1340, 1675, 2680, 3350, 4489, 6700, 8978, 13400, 17956, 22445, 35912, 44890, 89780, 112225, 179560, 224450, 448900, 897800]

約数ペア:

[(1, 897800), (2, 448900), (4, 224450), (5, 179560), (8, 112225), (10, 89780), (20, 44890), (25, 35912), (40, 22445), (50, 17956), (67, 13400), (100, 8978), (134, 6700), (200, 4489), (268, 3350), (335, 2680), (536, 1675), (670, 1340)]