219029560

素因数分解:

$2^3\times 5^1\times {\mathrm{5475739}}^1$

素因数の和:5475750

約数の個数: 16

約数和(自身を含む): 492816600

約数和(自身を除く): 273787040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5475739, 10951478, 21902956, 27378695, 43805912, 54757390, 109514780, 219029560]

約数ペア:

[(1, 219029560), (2, 109514780), (4, 54757390), (5, 43805912), (8, 27378695), (10, 21902956), (20, 10951478), (40, 5475739)]