1798820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1697}}^1$

素因数の和:1759

約数の個数: 24

約数和(自身を含む): 3851064

約数和(自身を除く): 2052244

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1697, 3394, 6788, 8485, 16970, 33940, 89941, 179882, 359764, 449705, 899410, 1798820]

約数ペア:

[(1, 1798820), (2, 899410), (4, 449705), (5, 359764), (10, 179882), (20, 89941), (53, 33940), (106, 16970), (212, 8485), (265, 6788), (530, 3394), (1060, 1697)]