1386380

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{673}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 2944032

約数和(自身を除く): 1557652

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 673, 1030, 1346, 2060, 2692, 3365, 6730, 13460, 69319, 138638, 277276, 346595, 693190, 1386380]

約数ペア:

[(1, 1386380), (2, 693190), (4, 346595), (5, 277276), (10, 138638), (20, 69319), (103, 13460), (206, 6730), (412, 3365), (515, 2692), (673, 2060), (1030, 1346)]