420655790

素因数分解:

$2^1\times 5^1\times {\mathrm{2671}}^1\times {\mathrm{15749}}^1$

素因数の和:18427

約数の個数: 16

約数和(自身を含む): 757512000

約数和(自身を除く): 336856210

約数列:

[1, 2, 5, 10, 2671, 5342, 13355, 15749, 26710, 31498, 78745, 157490, 42065579, 84131158, 210327895, 420655790]

約数ペア:

[(1, 420655790), (2, 210327895), (5, 84131158), (10, 42065579), (2671, 157490), (5342, 78745), (13355, 31498), (15749, 26710)]