1277696060

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{248579}}^1$

素因数の和:248845

約数の個数: 24

約数和(自身を含む): 2693612880

約数和(自身を除く): 1415916820

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 248579, 497158, 994316, 1242895, 2485790, 4971580, 63884803, 127769606, 255539212, 319424015, 638848030, 1277696060]

約数ペア:

[(1, 1277696060), (2, 638848030), (4, 319424015), (5, 255539212), (10, 127769606), (20, 63884803), (257, 4971580), (514, 2485790), (1028, 1242895), (1285, 994316), (2570, 497158), (5140, 248579)]