281506880

素因数分解:

$2^6\times 5^1\times {\mathrm{879709}}^1$

素因数の和:879726

約数の個数: 28

約数和(自身を含む): 670339020

約数和(自身を除く): 388832140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 879709, 1759418, 3518836, 4398545, 7037672, 8797090, 14075344, 17594180, 28150688, 35188360, 56301376, 70376720, 140753440, 281506880]

約数ペア:

[(1, 281506880), (2, 140753440), (4, 70376720), (5, 56301376), (8, 35188360), (10, 28150688), (16, 17594180), (20, 14075344), (32, 8797090), (40, 7037672), (64, 4398545), (80, 3518836), (160, 1759418), (320, 879709)]