859043980

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{97841}}^1$

素因数の和:98289

約数の個数: 24

約数和(自身を含む): 1808120160

約数和(自身を除く): 949076180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 97841, 195682, 391364, 489205, 978410, 1956820, 42952199, 85904398, 171808796, 214760995, 429521990, 859043980]

約数ペア:

[(1, 859043980), (2, 429521990), (4, 214760995), (5, 171808796), (10, 85904398), (20, 42952199), (439, 1956820), (878, 978410), (1756, 489205), (2195, 391364), (4390, 195682), (8780, 97841)]