713498740

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{2389}}^1$

素因数の和:2644

約数の個数: 48

約数和(自身を含む): 1523768400

約数和(自身を除く): 810269660

約数列:

[1, 2, 4, 5, 10, 20, 109, 137, 218, 274, 436, 545, 548, 685, 1090, 1370, 2180, 2389, 2740, 4778, 9556, 11945, 14933, 23890, 29866, 47780, 59732, 74665, 149330, 260401, 298660, 327293, 520802, 654586, 1041604, 1302005, 1309172, 1636465, 2604010, 3272930, 5208020, 6545860, 35674937, 71349874, 142699748, 178374685, 356749370, 713498740]

約数ペア:

[(1, 713498740), (2, 356749370), (4, 178374685), (5, 142699748), (10, 71349874), (20, 35674937), (109, 6545860), (137, 5208020), (218, 3272930), (274, 2604010), (436, 1636465), (545, 1309172), (548, 1302005), (685, 1041604), (1090, 654586), (1370, 520802), (2180, 327293), (2389, 298660), (2740, 260401), (4778, 149330), (9556, 74665), (11945, 59732), (14933, 47780), (23890, 29866)]