279509080

素因数分解:

$2^3\times 5^1\times {\mathrm{6987727}}^1$

素因数の和:6987738

約数の個数: 16

約数和(自身を含む): 628895520

約数和(自身を除く): 349386440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6987727, 13975454, 27950908, 34938635, 55901816, 69877270, 139754540, 279509080]

約数ペア:

[(1, 279509080), (2, 139754540), (4, 69877270), (5, 55901816), (8, 34938635), (10, 27950908), (20, 13975454), (40, 6987727)]