2648980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6971}}^1$

素因数の和:6999

約数の個数: 24

約数和(自身を含む): 5856480

約数和(自身を除く): 3207500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 6971, 13942, 27884, 34855, 69710, 132449, 139420, 264898, 529796, 662245, 1324490, 2648980]

約数ペア:

[(1, 2648980), (2, 1324490), (4, 662245), (5, 529796), (10, 264898), (19, 139420), (20, 132449), (38, 69710), (76, 34855), (95, 27884), (190, 13942), (380, 6971)]