49486780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2543}}^1$

素因数の和:2698

約数の個数: 48

約数和(自身を含む): 119669760

約数和(自身を除く): 70182980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2543, 2780, 3892, 4865, 5086, 9730, 10172, 12715, 17801, 19460, 25430, 35602, 50860, 71204, 89005, 178010, 353477, 356020, 706954, 1413908, 1767385, 2474339, 3534770, 4948678, 7069540, 9897356, 12371695, 24743390, 49486780]

約数ペア:

[(1, 49486780), (2, 24743390), (4, 12371695), (5, 9897356), (7, 7069540), (10, 4948678), (14, 3534770), (20, 2474339), (28, 1767385), (35, 1413908), (70, 706954), (139, 356020), (140, 353477), (278, 178010), (556, 89005), (695, 71204), (973, 50860), (1390, 35602), (1946, 25430), (2543, 19460), (2780, 17801), (3892, 12715), (4865, 10172), (5086, 9730)]