2180366945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{257879}}^1$

素因数の和:257992

約数の個数: 16

約数和(自身を含む): 2785104000

約数和(自身を除く): 604737055

約数列:

[1, 5, 19, 89, 95, 445, 1691, 8455, 257879, 1289395, 4899701, 22951231, 24498505, 114756155, 436073389, 2180366945]

約数ペア:

[(1, 2180366945), (5, 436073389), (19, 114756155), (89, 24498505), (95, 22951231), (445, 4899701), (1691, 1289395), (8455, 257879)]