2198180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{839}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 4656960

約数和(自身を除く): 2458780

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 839, 1310, 1678, 2620, 3356, 4195, 8390, 16780, 109909, 219818, 439636, 549545, 1099090, 2198180]

約数ペア:

[(1, 2198180), (2, 1099090), (4, 549545), (5, 439636), (10, 219818), (20, 109909), (131, 16780), (262, 8390), (524, 4195), (655, 3356), (839, 2620), (1310, 1678)]