28405140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{473419}}^1$

素因数の和:473431

約数の個数: 24

約数和(自身を含む): 79534560

約数和(自身を除く): 51129420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 473419, 946838, 1420257, 1893676, 2367095, 2840514, 4734190, 5681028, 7101285, 9468380, 14202570, 28405140]

約数ペア:

[(1, 28405140), (2, 14202570), (3, 9468380), (4, 7101285), (5, 5681028), (6, 4734190), (10, 2840514), (12, 2367095), (15, 1893676), (20, 1420257), (30, 946838), (60, 473419)]