1444340

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 3055752

約数和(自身を除く): 1611412

約数列:

[1, 2, 4, 5, 10, 20, 257, 281, 514, 562, 1028, 1124, 1285, 1405, 2570, 2810, 5140, 5620, 72217, 144434, 288868, 361085, 722170, 1444340]

約数ペア:

[(1, 1444340), (2, 722170), (4, 361085), (5, 288868), (10, 144434), (20, 72217), (257, 5620), (281, 5140), (514, 2810), (562, 2570), (1028, 1405), (1124, 1285)]