155120845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1879}}^1$

素因数の和:1993

約数の個数: 32

約数和(自身を含む): 216576000

約数和(自身を除く): 61455155

約数列:

[1, 5, 11, 19, 55, 79, 95, 209, 395, 869, 1045, 1501, 1879, 4345, 7505, 9395, 16511, 20669, 35701, 82555, 103345, 148441, 178505, 392711, 742205, 1632851, 1963555, 2820379, 8164255, 14101895, 31024169, 155120845]

約数ペア:

[(1, 155120845), (5, 31024169), (11, 14101895), (19, 8164255), (55, 2820379), (79, 1963555), (95, 1632851), (209, 742205), (395, 392711), (869, 178505), (1045, 148441), (1501, 103345), (1879, 82555), (4345, 35701), (7505, 20669), (9395, 16511)]