1144540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 2434320

約数和(自身を除く): 1289780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 643, 890, 1286, 1780, 2572, 3215, 6430, 12860, 57227, 114454, 228908, 286135, 572270, 1144540]

約数ペア:

[(1, 1144540), (2, 572270), (4, 286135), (5, 228908), (10, 114454), (20, 57227), (89, 12860), (178, 6430), (356, 3215), (445, 2572), (643, 1780), (890, 1286)]