13981900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1571}}^1$

素因数の和:1674

約数の個数: 36

約数和(自身を含む): 30701160

約数和(自身を除く): 16719260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1571, 1780, 2225, 3142, 4450, 6284, 7855, 8900, 15710, 31420, 39275, 78550, 139819, 157100, 279638, 559276, 699095, 1398190, 2796380, 3495475, 6990950, 13981900]

約数ペア:

[(1, 13981900), (2, 6990950), (4, 3495475), (5, 2796380), (10, 1398190), (20, 699095), (25, 559276), (50, 279638), (89, 157100), (100, 139819), (178, 78550), (356, 39275), (445, 31420), (890, 15710), (1571, 8900), (1780, 7855), (2225, 6284), (3142, 4450)]