180972430

素因数分解:

$2^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{64403}}^1$

素因数の和:64691

約数の個数: 16

約数和(自身を含む): 326914704

約数和(自身を除く): 145942274

約数列:

[1, 2, 5, 10, 281, 562, 1405, 2810, 64403, 128806, 322015, 644030, 18097243, 36194486, 90486215, 180972430]

約数ペア:

[(1, 180972430), (2, 90486215), (5, 36194486), (10, 18097243), (281, 644030), (562, 322015), (1405, 128806), (2810, 64403)]