289196980

素因数分解:

$2^2\times 5^1\times {\mathrm{1709}}^1\times {\mathrm{8461}}^1$

素因数の和:10179

約数の個数: 24

約数和(自身を含む): 607740840

約数和(自身を除く): 318543860

約数列:

[1, 2, 4, 5, 10, 20, 1709, 3418, 6836, 8461, 8545, 16922, 17090, 33844, 34180, 42305, 84610, 169220, 14459849, 28919698, 57839396, 72299245, 144598490, 289196980]

約数ペア:

[(1, 289196980), (2, 144598490), (4, 72299245), (5, 57839396), (10, 28919698), (20, 14459849), (1709, 169220), (3418, 84610), (6836, 42305), (8461, 34180), (8545, 33844), (16922, 17090)]