38456820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{213649}}^1$

素因数の和:213664

約数の個数: 36

約数和(自身を含む): 116652900

約数和(自身を除く): 78196080

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 213649, 427298, 640947, 854596, 1068245, 1281894, 1922841, 2136490, 2563788, 3204735, 3845682, 4272980, 6409470, 7691364, 9614205, 12818940, 19228410, 38456820]

約数ペア:

[(1, 38456820), (2, 19228410), (3, 12818940), (4, 9614205), (5, 7691364), (6, 6409470), (9, 4272980), (10, 3845682), (12, 3204735), (15, 2563788), (18, 2136490), (20, 1922841), (30, 1281894), (36, 1068245), (45, 854596), (60, 640947), (90, 427298), (180, 213649)]