1289180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{883}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 2747472

約数和(自身を除く): 1458292

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 883, 1460, 1766, 3532, 4415, 8830, 17660, 64459, 128918, 257836, 322295, 644590, 1289180]

約数ペア:

[(1, 1289180), (2, 644590), (4, 322295), (5, 257836), (10, 128918), (20, 64459), (73, 17660), (146, 8830), (292, 4415), (365, 3532), (730, 1766), (883, 1460)]