28409820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{473497}}^1$

素因数の和:473509

約数の個数: 24

約数和(自身を含む): 79547664

約数和(自身を除く): 51137844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 473497, 946994, 1420491, 1893988, 2367485, 2840982, 4734970, 5681964, 7102455, 9469940, 14204910, 28409820]

約数ペア:

[(1, 28409820), (2, 14204910), (3, 9469940), (4, 7102455), (5, 5681964), (6, 4734970), (10, 2840982), (12, 2367485), (15, 1893988), (20, 1420491), (30, 946994), (60, 473497)]